Versatile enough to be used on cam chains or drive chains. Will break chains from #35 to #530. For chain #520 and up, it is recommended to grind the rivet head. Each kit includes 3 pin sizes to fit most chains. Features new hardened body. Riveting chain links is made easy with new large and small anvil heads. Recommended for light to medium duty use. Includes press plates. Instructions included. Pit Posse offers lifetime warranty on tool, excluding breaking pins.