The 2”, 2-1/2”, and 3” 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"-3" 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.