Practical: Use the Chain Breaker 13-Piece Set with Carrying Case ?C Chain Cutter and Riveter for Motorcycle, Bike, ATV to remove and reinstall motorcycle/bike, rear drive, and OHV cam chains that are #35 to #630; Tool completely pushes out the chain link pin Easy to Use: Instructions ?C Loosen the sprocket nut, unscrew the bottom bolt on the chain press tool, and place the spring on the pin inside the tool. Then, replace the tightening bolt and remove the top bolt. Screw on the handle and lever, place the tool over your chain, and tighten the tool on the chain pin (this forces the chain and pin out the other side) Durable: Constructed from hardened steel to ensure strength and longevity Easy Storage: 4.8?? x 3?? x 8.5?? (12.2cm x 7.6cm x 21.6cm) heavy-duty blow-molded plastic carrying case for easy transportation, simple storage, and quick organization Contents: Package includes (1) chain press + (1) handle + (1) lever + (3) anvils, (3) pins ?C 2.2mm, 2.9mm, 3.8mm + (1) rivet