Quick Answer: Choosing the Best Chainsaw Chain Break
When evaluating the best chainsaw chain break options in 2026, prioritize material strength for repeated rivet spinning, multi-pitch compatibility covering 0.325 inch and 3/8 inch standards, and whether a pocket design or full bench unit better matches your workflow volume. These factors determine long-term reliability across the top-rated models we analyzed, ensuring efficient chain mending that aligns with professional…
Pros
- Broad pitch compatibility covers several widely used chainsaw chain types.
- Bench-mounted format offers better control for repetitive shop work.
- Includes multiple punches and an anvil, so it is ready for common chain repair tasks.
- Parts support is available separately for maintenance and long-term use.
Cons
- Bench model design is less portable than a handheld chain repair tool.
- It is specialized for chain breaking and loop making, not full chainsaw maintenance.
- Replacement parts are sold separately, which may add to long-term ownership cost.
Overview: The Oregon 24548B is a bench-style chainsaw chain breaker designed for repairing chains and making loops from reels. Its sturdy build and ergonomic handle suggest a tool meant for regular shop use rather than quick field repairs.
Performance and Features: This model includes a standard punch, a punch for 90-Series Chain with .043" gauge, and an anvil that works with 1/4, 3/8 low profile, .325, 3/8, and .404 pitch saw chain. That range makes it a practical option for users who work with several common chain sizes.
Drawbacks and Considerations: The bench design is stable, but it is not as portable as a compact handheld tool. It is also a specialized accessory, so buyers who need sharpening, cutting, or broader chainsaw service tools will need additional equipment. Replacement parts are available separately.
Verdict: The Oregon 24548B is best suited to users who frequently repair chains or build custom loops and want a dedicated bench tool with broad chain compatibility. It offers useful versatility for shop-based chain work, but it is most valuable when chain maintenance is a regular task.
Pros
- Integrated 2-in-1 design handles both chain breaking and chain spinning.
- Comes as a ready-to-use kit with multiple anvils, punches or bits, hex wrenches, and a rivet setter.
- Cast iron body provides a sturdy base for chain repair work.
- Adjustable holders and guide sprockets support more precise rivet alignment.
- Ergonomic textured handle helps improve grip during use.
Cons
- Product data does not specify compatible chain pitch sizes, so buyers should verify fit before purchase.
- No dimensions or tool weight are provided, making it harder to judge portability or bench space requirements.
- Best suited for users comfortable with manual chain repair tools rather than those seeking an automated solution.
Overview & Design: The CUKBLESS B0G4LMHX3S is a 2-in-1 chainsaw chain breaker and spinner tool kit designed for breaking, resizing, and reconnecting saw chains. Its integrated format combines two common chain repair functions into one unit, while the reinforced cast iron construction gives it a workshop-ready feel.
Performance & Key Features: The tool is built around controlled manual operation. Users align the tool with the rivet center, apply pressure with the lever, and use the included accessories to support chain repair. The kit includes 4 quenched punches or bits, 4 anvils, 2 hex wrenches, and 1 hex rivet setter, plus 5 chain molds for broader compatibility with common chainsaw and trimmer chains.
Drawbacks & Considerations: The available product data does not list exact chain pitch compatibility, dimensions, or weight. That means buyers should confirm whether their specific chain type is supported before ordering. It is also a manual repair tool, so best results will depend on careful alignment and correct setup.
Verdict: The CUKBLESS 2-in-1 Chainsaw Chain Breaker and Spinner is a practical choice for homeowners, landscapers, small shops, and equipment maintenance users who regularly repair or resize chains. It offers strong value for those who want a complete manual chain repair kit with alignment support and essential accessories included.
Pros
- Combines breaker and spinner functions in one compact tool.
- Offers broad chain compatibility through multiple molds and anvils.
- Mountable base design adds stability for workshop use.
- Anti-slip handle design supports safer, more comfortable operation.
Cons
- Requires careful technique, since forcing the punch during disassembly can damage the tool.
- It is a manual, bench-oriented tool, so it is less convenient for quick mobile repairs.
- The product data does not list detailed chain standards, dimensions, or exact compatibility limits.
DETYI B0F1NJ5NKR is a 2-in-1 chain breaker and rivet spinner designed for workshop users who maintain chainsaw chains and other ordinary chains. The overall setup feels practical, with a bench-mountable base plate and an ergonomic anti-slip handle for controlled use.
The main strength is versatility. This tool combines chain breaking and chain connecting in one unit, and it includes 5 chain mold types plus multiple anvils to support different chain sizes. In real use, the design is intended for slow, careful pressure when removing rivets and for hand rotation when connecting links.
Considerations: this is a manual tool, so technique matters. The product information also warns not to force the punch during disassembly, since damage can occur. Because the listing does not provide detailed chain standards, dimensions, or exact fitment limits, buyers should confirm compatibility before purchasing.
Verdict: this is a sensible choice for users who want one compact tool for both chain breaking and spinning in a workshop setting. It is best suited to hands-on maintenance work rather than fast, portable repairs.
Pros
- Supports multiple common chainsaw chain sizes from 1/4-inch through 0.404-inch.
- Workbench-mountable steel base improves stability during rivet removal.
- Long 9.5-inch handle provides useful leverage for applying consistent pressure.
- Includes two hardened punches plus the required anvil and hex wrench.
Cons
- Requires accurate punch alignment over the rivet, so careless setup can reduce effectiveness.
- Designed for workbench use, which may be less convenient for field repairs.
- No additional specifications are provided for weight or storage case inclusion.
Overview & Design: The Felled Chainsaw Chain Breaker and Rivet Tool Kit is a workbench-style tool made for removing chainsaw chain links by pressing out rivets. Its heavy-duty steel base plate is built with mounting holes, allowing users to secure the 6.5-inch tool to a bench for a steadier repair setup.
Performance & Key Features: Instead of pounding rivets out by hand or using a grinder, this chain breaker uses a twist-lever mechanism to apply strong, consistent pressure. The included 9.5-inch handle adds leverage, while the side-slide anvil helps hold 1/4-inch, 3/8-inch low profile, 0.325-inch, 3/8-inch, and 0.404-inch chains in position.
Drawbacks & Considerations: For best results, the punch must be precisely centered over the rivet before pressure is applied. It is also primarily a bench-mounted tool, so it is better suited to a workshop than quick field repairs. The available product data does not specify weight or whether a storage case is included.
Verdict: This Felled chainsaw rivet and chain breaker kit is a practical choice for chainsaw owners, small engine repair users, and workshop maintenance setups that need a dedicated tool for chain link removal. It offers broad chain-size compatibility and useful leverage, making it best for users who regularly resize or repair chains on a bench.
Pros
- Covers both breaking and joining tasks in one compact repair set.
- Uses carbon steel and metal materials for improved durability over basic low-grade repair tools.
- Includes multiple master link repair straps, adding value for repeat repairs.
- Broad pitch compatibility increases usefulness for several chain types.
Cons
- Compatibility depends on matching the original chain appearance, shape, and size before ordering.
- The listing does not provide detailed dimensions or full compatibility notes for every chain variant.
- It is a repair accessory set, not a complete chainsaw or full replacement chain kit.
Overview & Design: The Hicello 3PCS Pocket Chainsaw Breaker is a chain repairing and mending tool set designed for maintaining compatible chainsaw chains. It includes a chain riveting needle, broken chain tool, chain base, and 10 sets of master link repair preset straps, giving it a practical, repair-focused layout.
Performance & Key Features: Based on the manufacturer specifications, the main strengths are its carbon steel construction, metal joiner links, and support for several common chain pitches, including 1/4", 3/8" LP, 325", 3/8", and 404". That makes it useful for basic chain repair work, especially for users who need a portable solution for joining or mending chains in the garden or workshop.
Drawbacks & Considerations: The product listing does not include detailed sizing, so buyers need to compare the original chain's appearance, shape, and size before ordering. It is also important to note that compatibility is specific, especially for the included 0.325" joiner links, so this is best suited to users who already know their chain specification.
Verdict: This set is a solid option for users who need an affordable, portable chainsaw chain repair tool kit for compatible chains. It offers good utility for routine maintenance, but it is most valuable to buyers who are comfortable verifying chain match before purchase.
Pros
- Covers several common chainsaw chain pitches, improving versatility.
- Includes multiple repair straps, so the kit is ready for more than one repair task.
- Metal build should hold up better than flimsy plastic alternatives.
- Compact format is convenient for portable tool storage.
Cons
- Compatibility depends on the exact chain type, so buyers need to verify their chain specification before ordering.
- The listing does not provide detailed instructions or a full usage guide, which may make setup harder for first-time users.
- It is a repair accessory kit, not a complete chainsaw tool set, so additional tools may still be required.
Overview: The Atunee Pocket Chainsaw Breaker is a compact chain repair accessory kit made for chainsaw users who need to join, break, or repair compatible chain links. Its metal construction gives it a practical, workshop-ready feel, and the included parts suggest it is aimed at hands-on maintenance rather than casual use.
Performance & Features: According to the product data, this kit supports multiple chain pitches, including 1/4, 3/8 LP, 0.325, 3/8, and 404. It also includes 12 sets of 3/8 and 0.325 master link repair preset straps, plus a chain riveting needle, broken chain piece, and chain base. That makes it a flexible option for users who need a portable repair solution.
Drawbacks & Considerations: The biggest limitation is that compatibility must be checked carefully before purchase. The listing is specific about certain chain types and even notes compatibility with JOINING 325 058 chains, so it may not fit every chainsaw chain. It is also a repair kit rather than a full chainsaw maintenance system.
Verdict: This product makes the most sense for chainsaw owners, repair technicians, and users who already know their chain specs and want a compact repair kit for routine maintenance or emergency fixes. If you need a versatile, portable chain repair accessory and can confirm compatibility, it offers solid practical value.
Pros
- Wide pitch compatibility covers several common chainsaw chain standards.
- Carbon steel construction should provide good durability for repair tasks.
- Includes multiple repair straps, adding value for chain maintenance work.
- Straightforward replacement-parts kit format for users familiar with chain repair.
Cons
- Compatibility still needs to be verified against the original chain before purchase.
- The listing does not provide detailed sizing, dimensions, or usage instructions.
- It is a repair-focused kit, so it is not a complete chainsaw chain replacement solution.
Overview & Design: The QWORK 3PCS Pocket Chainsaw Breaker is a replacement parts kit built for chain repair and joining work. Its carbon steel construction gives it a high-strength, high-hardness profile that should suit regular maintenance tasks.
Performance & Key Features: This kit is designed for multiple chain pitches, including 1/4", 3/8" LP, .325", 3/8", and .404". That broad compatibility is its biggest advantage, especially for users who service different chainsaw chains and want a single repair-oriented tool set.
Drawbacks & Considerations: The main limitation is that fit must be checked carefully against the original chain before ordering. The listing also does not provide detailed dimensions or instructions, so it may be less convenient for first-time users who are unfamiliar with chain riveting and repair.
Verdict: This is a practical choice for experienced users, repair shops, or DIY chain maintenance buyers who want a compact kit for common chain pitches. If you need a versatile chain breaker and joiner link repair set, it offers useful coverage without unnecessary extras.
Pros
- Covers a broad list of compatible chainsaw chain models and brands.
- Clear sizing information helps reduce guesswork during replacement.
- Useful quantity for maintenance, repair, or shop inventory.
- Manufacturer states the links are tested and inspected for quality control.
Cons
- Compatibility is specific to listed 3/8" chain types, so it is not a universal chainsaw part.
- The product information does not include installation tools or detailed step-by-step instructions.
Overview: The Manostia 25pcs 3/8" Chainsaw Master Link Repair Preset Straps are replacement chain links made for specific 3/8" chains with .050" and .058" gauge sizing. The listing focuses on compatibility and repair use, making it a practical maintenance part rather than a general-purpose accessory.
Performance & Features: The product is designed for a wide range of compatible chains, including Oregon, Stihl, Windsor, Husqvarna, Carlton, and Woodland models listed by the manufacturer. The preset strap format is meant to support chain repair work and help restore a chain to service when the correct match is selected.
Drawbacks & Considerations: This is a compatibility-specific part, so buyers need to verify chain pitch, gauge, and model match before ordering. The listing also does not include installation tools, so users should already have the proper repair setup or experience for chain maintenance.
Verdict: If you need replacement master links for compatible 3/8" chainsaw chains, this Manostia pack offers a focused repair solution with clear sizing details and multiple brand fitments. It is best suited for users who maintain chains regularly and want a dedicated spare parts pack on hand.
Pros
- Made from carbon steel for durability and hardness.
- Covers multiple common chainsaw chain pitches.
- Compact and portable for field or home use.
- Includes the core components needed for basic chain repair.
Cons
- No detailed dimensions or compatibility chart are provided beyond the listed chain pitches.
- This is a manual repair kit, so it may require some experience to use correctly.
- The listing does not include extra accessories beyond the three main parts.
Overview: The Hicello 3PCS Pocket Chainsaw Breaker is a compact chainsaw chain repairing and mending tool set built from carbon steel. It is designed for users who need a portable way to break, rivet, and join chain links during routine maintenance or repair work.
Performance & Features: This 3-in-1 kit supports several common chain pitches, including 1/4", 3/8" LP, .325", 3/8", and .404", which makes it broadly useful for many chainsaw chains. The manual design keeps it simple to operate, and the included chain riveting needle, broken chain thimble, and chain base cover the basic steps of link repair.
Drawbacks & Considerations: The product listing does not provide detailed size information, and it is not a powered tool, so performance will depend on the user's skill and patience. It also appears to be a basic repair kit rather than a full professional workshop system, so buyers should confirm chain compatibility before use.
Verdict: Overall, this is a practical budget-friendly choice for gardeners, DIY users, and anyone who wants a portable chainsaw chain mending tool. It offers solid material quality and wide chain pitch support, but it is best suited to users who are comfortable doing manual chain repairs.
Pros
- Compact and portable compared with larger bench-style chain breaker tools.
- Built from carbon steel for added strength and wear resistance.
- Supports multiple chain pitches, making it useful for a range of chainsaw setups.
Cons
- No detailed specifications such as overall dimensions or weight are provided.
- Designed for manual chain riveting work, so it may be slower than powered or shop-grade equipment.
- Best suited for chains that match the listed pitches and punch sizes, so compatibility should be checked before use.
Overview & Design: The QWORK Pocket Chainsaw Breaker is a compact chain rivet removal and joining tool made from carbon steel. Its pocket-sized format makes it easy to keep in a toolbox, carry into the field, or use at home for basic chainsaw maintenance.
Performance & Key Features: This tool is designed to remove chainsaw rivets quickly and help tighten or reassemble chains when needed. The side slide breaker anvil is made to hold common chain sizes in place, including 1/4", 3/8" thin, 3/8", and 0.404" pitch chains. It also includes punch tips in 2.3 mm and 4.8 mm sizes for different riveting tasks.
Drawbacks & Considerations: The product information does not list dimensions, weight, or any accessories beyond the breaker punch bars and rivet tool components. Because it is a manual tool, users should expect a hands-on process rather than a fast powered solution. Compatibility should also be confirmed before purchase if your chain falls outside the listed pitch range.
Verdict: The QWORK Pocket Chainsaw Breaker is a practical choice for users who want a portable, durable tool for routine chain repair and rivet removal. It offers the most value for DIY users, small workshops, and anyone who needs a simple field-ready chain maintenance solution.
Pros
- Includes 30 sets, which is enough for multiple chain repairs.
- Made from stainless steel for added durability and wear resistance.
- Compatible with 050 and 058 gauge chains, broadening its use case.
- Preset straps and rivets make the repair process more straightforward.
Cons
- Compatibility is limited to specific chain sizes, so it will not fit every chainsaw chain.
- The kit is focused on repair links and does not include a full chain replacement.
- No detailed specifications such as exact dimensions or included tools are provided in the listing.
Overview: The Hariendny 3/8" Chainsaw Master Link Repair Kit is a set of stainless steel chain repair links made for fixing broken saw chains. With 30 sets included, it is designed as a practical maintenance accessory rather than a full replacement chain.
Performance and Features: The kit includes preset linking straps and rivets, which can make chain repair faster and more convenient. It is described as compatible with 050 and 058 gauge chains, so it may suit a range of common chainsaw setups that use 3/8 inch chain hardware.
Drawbacks and Considerations: This is a specialty repair item, so buyers need to confirm chain compatibility before ordering. It also does not replace a damaged chain in full, and the listing does not provide detailed dimensions or extra tools in the package.
Verdict: This kit makes the most sense for users who want a simple, durable repair option for compatible chains rather than a complete chain replacement. It is best suited to homeowners, maintenance users, and anyone keeping chain repair parts on hand.
What to Look for When Choosing Chainsaw Chain Break
Choosing an effective chainsaw chain break requires matching the tool to chain types, repair frequency, and work environment. The following criteria draw from specification analysis of available models to guide practical selection across leading manufacturers offerings. For broader ecosystem context, read through our operational guide on stihl ms 162 vs husqvarna 120 mark ii. For complementary hardware performance, examine our breakdown on chainsaw sharpener.
Compatibility with Chain Pitch and Gauge
Chain pitch determines whether the breaker and joiner components seat correctly without damaging drive links. Most models support primary sizes of 0.325 inch, 3/8 inch, and sometimes 0.404 inch or low-profile variants, so verify the product title listings for exact matches to your saw chains. Gauges commonly range 0.050 to 0.058, and kits that include preset straps for these sizes reduce trial and error during field repairs. Selecting a multi-pitch design prevents the need for multiple dedicated tools and supports mixed fleets of equipment.
Practical guideline: measure existing chain pitch first, then confirm the tool punches and anvils align with that measurement. Models listing broad compatibility cover more saw brands and reduce inventory needs for occasional users.
Tool Type: Pocket Versus Bench Mounted
Pocket-style chainsaw chain break units prioritize portability with compact frames that fit in a toolkit for on-site chain fixes. These often pair a small breaker punch with basic joiner straps and suit light-duty homeowner or occasional professional use. Bench-mounted or 2-in-1 spinner designs provide greater leverage, stable anvils, and quenching bits for denser rivet work, making them preferable for high-volume shops or frequent chain rebuilding. Weight and footprint matter: pocket kits stay under light carry limits while bench tools require a workbench clamp for safety.
Decide based on primary location. Field crews benefit from pocket sets that travel easily, whereas workshop settings gain efficiency from fixed-position spinners that maintain consistent force application.
Material Durability and Construction Quality
Repeated impact on rivets demands hardened steel punches and anvils that resist mushrooming or bending. Stainless components in joiner links and preset straps further resist corrosion from bar oil and outdoor moisture. Lower-cost kits may use basic alloys that wear faster under heavy loads, while mid-range and premium options emphasize quenching-treated bits for extended service life. Inspect for solid handles or hex wrench interfaces that transmit force without flex.
Recommendation: favor tools advertising replacement bits or multi-punch sets so worn components can be swapped rather than discarding the full unit. This approach sustains performance across seasons of use.
Included Accessories and Repair Link Kits
Complete packages that bundle 10 or more sets of master links, joiner straps, punches, and bases deliver higher immediate value than bare breakers. Count the number of repair links and confirm pitch coverage matches your needs, as replenishing straps separately adds cost. Some kits add drilling devices or hex wrenches that expand utility for custom chain work. Evaluate packaging density: more included components lower the total ownership cost within the overall entry-level to premium.
For users repairing multiple chains monthly, prioritize higher link counts to avoid mid-project shortages. Single-tool bare breakers suit those already stocked with spare links from other sources.
Ease of Use and Portability Features
Ergonomic handles, clear punch alignment guides, and simple spinner mechanisms reduce learning curves and fatigue. Pocket designs excel when packed into a vest or truck box, while heavier bench models trade mobility for controlled force that minimizes hand strain during long sessions. Look for tools that operate without complex assembly so repairs finish quickly. Storage cases or compact profiles further support transport between job sites. For complementary field maintenance guidelines, examine our breakdown of husqvarna 450 vs 460 rancher.
Test mental workflow: can the tool break a rivet and join a new link in under two minutes once practiced? Designs meeting this standard improve productivity and encourage proactive chain maintenance.
Brand Reliability and Value Positioning
Established names within leading manufacturers tend to offer consistent manufacturing tolerances and clearer compatibility claims. Cross-check product titles for explicit pitch support and accessory counts rather than relying solely on brand recognition. Value emerges when a mid-priced kit includes both breaker and spinner functions plus ample links, outperforming bare low-cost punches that require frequent replacement. Align spend with expected repair volume so the tool pays for itself through reduced chain discard rates. To evaluate matched hardware tolerances, consult our detailed overview of greenworks 40v 18 vs ego cs1800.
Budget-conscious buyers can start with pocket kits, while professionals investing in shop infrastructure gain from full 2-in-1 systems. Reviewing category overviews such as those found on the Chainsaws resource page helps place individual tool choices within broader equipment strategies.
| Product | Brand | Form Factor | Primary Compatibility Notes |
|---|---|---|---|
| Hicello 3PCS Pocket Chainsaw Breaker Chain Saw Repairing Mending Tool Set | Hicello | 0.325 inch focus with joiner links | |
| Felled Chainsaw Chain Breaker and Rivet Tool Kit | Felled | Workbench | Rivet and link removal emphasis |
| sigfee 2-in-1 Chainsaw Chain Breaker and Spinner | sigfee | Bench with spinner | Quenching bits and multi-anvil support |
Chain Brake Part Selection
Brake parts in this list come from manufacturer specifications and the compatibility notes printed on Amazon product pages. Form factor and compatibility decide whether a part mounts correctly, so those traits shape the comparison.
Readers can scan those columns to confirm fit before ordering, since product, brand, form factor and primary compatibility notes appear side by side in a single grid.
Our Final Editorial Take on Chainsaw Chain Break
After comparing the full set of top-rated options, three standout selections emerge based on distinct buyer needs. These picks balance the criteria of compatibility, durability, and accessory inclusion while remaining grounded in listed specifications.
Best Overall Chainsaw Chain Break: sigfee 2-in-1 Chainsaw Chain Breaker and Spinner earns the top position through its combined breaker and manual spinner functions plus replacement quenching drill bits, anvils, and hex wrenches. The bench-oriented design supports precise rivet work for users who perform regular chain rebuilds, delivering the highest feature density among the reviewed group. It suits workshops requiring consistent force and multi-component support without frequent part swaps.
Best Value / Budget Choice: Hariendny 30 Sets 3/8 Chainsaw Master Chain Repair Links Connector provides the strongest cost-to-content ratio with a high volume of stainless steel repair kits and preset straps. This option prioritizes replenishment of master links over a full multi-tool frame, making it ideal for owners who already own a basic breaker and simply need bulk connectors. Its focus on 3/8 pitch coverage further elevates utility for common saw chains.
Best for Professional Field Use: Felled Chainsaw Chain Breaker and Rivet Tool Kit stands out for workbench rivet and link removal capability that still remains manageable in size. The dedicated design emphasizes clean punch and base operation for efficient repairs, pairing well with complementary joiner kits. Professionals seeking a durable mid-tier solution that complements broader equipment evaluations, such as those detailed in our MS250 Stihl chainsaw overview, will find this model practical. For additional context on category standards, consult the main Chainsaws category listings.
Buyer FAQs: Chainsaw Chain Break Solved
What is a chainsaw chain break tool used for?
A chainsaw chain break tool removes damaged rivets and drive links so new sections can be inserted and re-riveted. It restores chain length and integrity after stretch or breakage without discarding the entire loop. Most kits also support joining with preset master links for complete field repairs.
How do I choose the right pitch for my chainsaw chain break?
Match the tool to your chain pitch by measuring the distance between three consecutive rivets and dividing by two, or check the stamped numbers on the drive links. Common sizes are 0.325 inch and 3/8 inch; select multi-pitch kits when fleets include mixed saws. Confirm gauge support separately for full seating accuracy.
Are pocket chainsaw chain breakers durable enough for regular use?
Pocket models handle light to moderate repairs effectively when constructed with hardened punches and stainless straps. Heavy daily professional volume benefits more from bench or 2-in-1 designs that offer greater leverage and replaceable bits. Inspect material notes in product titles to gauge expected lifespan under your workload.
Can one chainsaw chain break work with both Oregon and Stihl chains?
Many multi-pitch kits list support for both Oregon and Stihl pitch standards, especially 3/8 and 0.325 variants with 050-058 gauges. Verify the specific product description for brand or pitch callouts before purchase. Cross-referencing with full saw reviews available via the Chainsaws category helps confirm broader compatibility patterns.
What accessories should come with a complete chainsaw chain break kit?
Look for multiple punches, a stable base or anvil, hex wrenches, and at least 10 sets of joiner or master link straps. Replacement bits and spinner components add further longevity. Kits bundling these elements minimize additional purchases and support both breaking and mending steps in one package.
Chain Brake Safety Overview
The chain brake is a key safety feature that should be checked before each use, since it stops the chain quickly in an emergency. Readers comparing brands may find black decker chainsaw a helpful related read.
General information on chain brakes and other safety features is listed in American National Standards Institute (ANSI).
