Our parts interchange with the Chicago Pneumatic 0351PU Pneumatic Punch. All parts on this tool are new and are MADE IN AMERICA. Three Day Tool has these parts on our shelf and we repair the CP0351PU in our shop.The most popular use for this tool is for punching holes in the top roof rails when installing new roofs on semi trailers and truck bodies This tool will significantly reduce the noise level in your shop, increase production efficiency, with less operator fatigue, and you will get a clean round hole every time.