The Milwaukee 2-1/2 in. - 4 in. NIBCO Press Rings are designed for use with the M18 FORCE LOGIC Long Throw Press Tool, providing a more efficient alternative to sweat and solder. Pivoting functionality delivers greater access in tight applications, providing you with the ability to press NIBCO copper press fittings in hard-to-reach areas. The 2-1/2 in.-4 in. NIBCO Press Ring Kit is compatible with the X6 Ring Jaw, providing you with secure joints in one cycle. Our 2-1/2 in.-4 in. NIBCO Press Rings, combined with the X 6 Ring Jaw and M18 FORCE LOGIC Long Throw Press Tool, deliver unrivaled access in tight spaces and around installed pipes, providing you with controlled, flameless copper connections for unmatched productivity.