M18 3 in. ProPEX Expansion HeadThe 2 in., 2 1 2 in., and 3 in. ProPEX Expansion Heads are precision engineered to evenly expand Upon or Large Diameter PEX pipe for ProPEX fittings. These heads are compatible with the M18 Force Logic 2 in. 3 in. ProPEX Expansion Tool and auto rotate. Each head is both black oxides coated for durability and weather resistance, and has color coded rings and large size ID markings for easy selection. Compatible with the M18 Force Logic 2 in. 3 in.