Motion Pro Jumbo Chain Tool The Motion Pro Jumbo Chain Tool is a heavy-duty, USA-made solution for breaking and riveting motorcycle, ATV, and industrial chains with precision and durability. Versatile chain compatibility: Breaks roller chain up to #630 (fits #520–#630); rivets up to #530. Precision side plate press: Includes master link side plate press kit for #520–#530. Built to last: Screws and attachments crafted from heat-treated 86L20 steel for superior strength. Long-life extractor pin: Removable guide keeps the pin aligned and protected. Flexible mounting: Bolt to a bench, clamp in a vise, or use the handle for field repairs. Power tool ready: When bolted down, compatible with air or electric wrenches for fast chain breaking. Heavy-duty performance: Engineered for professional and shop use. Made in the U.S.A. Pair with the Motion Pro 57-8142 Quad Stake Rivet Kit for factory-strong rivet heads and a complete chain service setup. Ideal for mechanics, racers, and enthusiasts seeking reliable chain maintenance with pro-grade results.