Chain Breaker, Press and Riveting Tool Complete chain tool for most 520, 525 and 530 standard, O-ring and X-ring chains Hardened body, riveting tip and breaker pin for strength and durability Perfect for your tool pack if you have a chain with a rivet master link Will rivet hollow-nose master links (will not rivet solid soft-nose pins) Break, press, and rivet your chain with one compact tool Will push pin completely through link/side plate Removable handle for compact storage