Roller chain breaker tool three in one rivet press motorcycle BMX bicycle Description: Luxury chain breaker kit Suitable for chain sizes 415, 420, 428, 520, 525, 530, 630 (check pin sizes are as follows) Press pins are heat treated and hardened Make sure that the push rod is correctly aligned with the chain pin. For chain # 520 and above, it is recommended to grind rivet heads Each kit includes 4 pins, 3 sizes to fit most chains (2x2.9mm, 3.9mm, 4.9mm) Features: Investment cast, hardened body and redesigned body bolts Recommended for light to heavy duty For riveting hollow nose main connecting rod It can be fixed on the workbench with bolts, supported with bench tongs or fixed with handles Made of durable steel It can be installed on the table using the threaded hole at the bottom, and the handle can be used without installation. It is recommended to grind off the rivet head of the pin before using the tool. Failure to do so may cause the puller pin to bend. Specifications: Material: steel Color: as shown in the figure Model: 415, 420, 428, 520, 525, 530, 630 chain Size: plastic box - 23.7 * 12.7 * 4.5cm Set: body+handle+rod+6 replacement heads+3 joints+2 gaskets Package includes: 1x chain breaking tools+components 1x hard carrying case