M18™ Force Logic™ press rings provide a solution that takes the advantage of press vs. sweat to the max. Pressing 2-1/2 in. to 4 in. pipes using a unique to Milwaukee® 2 - hinge design provides quality connections in close quarters. M18™ press rings deliver quality press connections on Viega® ProPress™ systems, Elkhart® APOLLOXPRESS™, and Grinnel® G-Press copper systems large diameter copper systems.