This unique item is designed to cut chain, press fit connecting links plates, and rivet pin heads all with one simple to use tool. This tool is for use with D.I.Ds new ZJ rivet connecting link only. Do not use this tool to rivet D.I.D XJ or PL connecting links or any other manufacturers rivet connecting links. The KM500 may be used to cut any 520, 525, 50(530) or 532 chain that uses any one of D.I.Ds RJ, FJ, XJ, ZJ or PL connecting links