The 2 in., 2-1/2 in., and 3 in. ProPEX® expansion heads are precision engineered to evenly expand Uponor® large diameter PEX pipe for ProPEX® fittings. These heads are compatible with the M18™ Force Logic™ 2 in. to 3 in. ProPEX® expansion tool and auto-rotate. Each head is both black oxide coated for durability and weather resistance, and has color coded rings and large size ID markings for easy selection.