Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools. Complete chain tool for most 520, 525 and 530 standard and O-ring chains. Break, press, and rivet your chain with one compact tool. Will rivet hollow nose master links. 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 your trail / road tool pack if you have a chain with a rivet master link. One year limited warranty. Note: Will NOT rivet solid soft-nose pins.