Complete chain tool for most 520, 525, 530 standard and O-ring chains. Break, press and rivet chain with one compact tool. Will rivet hollow nose master links (will not rivet solid soft-nose pins). Will push pin completely through link/side plate. Hardened body, riveting tip and breaker pin for strength and durability. Removable handle for compact storage. Perfect for trail/road tool pack if you have a chain with a rivet master link. 1-year limited manufacturers .