Chain Breaker includes 3 different size extractor pins, works with 500-630 pitch chains Flares pins for rivet style master links (500-530 pitch chains only) Motorcycle Chain Breaker can be mounted to table using threaded holes in underside, also includes handle to use without mounting This motorcycle chain tool is recommended to grind down rivet head of pin before using tool. Failure to do so may result in bending the extractor pin Made of premium quality carbon steel material for maximum durability and high reliable, lightweight and sturdy Feature Includes 3 different size extractor pins, works with 500-630 pitch chains Flares pins for rivet style master links (500-530 pitch chains only) Can be mounted to table using threaded holes in underside, also includes handle to use without mounting