The MILWAUKEE® X6 Ring Jaw provides a solution that takes advantage of the press vs. sweat and solder to the max. When paired with a compatible pivoting ring, the ring jaw helps provide quality connections in tight applications, and a heavy-duty steel design provides robust durability. Markings on the ring jaw denote correct ring compatibility. Additionally, blocking functionality prevents improper ring and ring jaw mismatch, helping to ensure quality connections The X6 Ring Jaw, compatible with 2-1/2" - 4" IPS-P Pivoting Press Rings & 2-1/2" - 4" NIBCO® Press Rings, is designed for use with Milwaukee's M18™ FORCE LOGIC™ Long Throw Press Tool, providing quality press connections on Viega® MegaPress® and NIBCO® Copper Press Fittings.