The ProPEX cutter from Milwaukee Electric Tool—suitable for cutting through tubing—has a replacable double-ground steel blade and all-metal core. According to the company, a re-work groove helps users correct mistakes quickly and easily. It can be used to strip ProPEX couplings to reuse brass fittings. Other features include a one-handed locking mechanism and rubber grips. (800) SAWDUST, MilwaukeeTool.com.