This tool is designed to rivet chain links to form an endless chain and is versatile enough to be used on cam chain to drive chains or as a chain breaker by pushing the pin out. This kit includes 3 pin sizes to fit a variety of chains. This tool will break and rivet 420-630 rear drive chains. It comes with 2mm, 3mm, 4mm, replacement ips for dferent size cam chains. Cam chain breaker riveter-breaks and rivts/stalkes all over head cam chains on all model japanese,and european OHV cam chains
