8milelake Motorcycle Chain 520 525 530 532 Riveting Tool Includes tools for riveting links in place. Works on chain sizes 520 - 530, 420, 428. Set includes:- Pin holder with 27mm fixed shaft | 19mm pin head, U holder with X/Y positional fixings, plate holder, 3 | 4 | 5mm pins and anvil It is recommended to grind down rivet head of pin before using tool. Failure to do so may result in bending the extractor pin.