The NIBCO® PEX sleeve tool is used to make stainless steel sleeve connections in 1/2 in, 3/4 in and 1 in sizes. The sleeve tool crimp cavity contains a groove in the center of the jaw to facilitate the two crimp surfaces of the sleeve and easily distinguish from the copper crimp ring tool. Please refer to NIBCO® technical data sheets and catalogs for engineering and installation information. NIBCO® PEX systems provide a safe, economical and energy-efficient piping alternative for water distribution, radiant floor heating, municipal water supply, geothermal climate control, snow melt and drip irrigation. NIBCO® PEX tubing, fittings, valves and manifolds are designed to be used as a complete system and are backed by a NIBCO® INC. limited warranty.