The RIDGID Model 918-I Roll Grooving Machine is capable of grooving 1" to 8" schedule 40 and 1" to 12" schedule 10 pipe faster than any roll grooving machine in its class. Powered by a 1.2 HP universal motor and heavy duty transmission, the 918-I produces high quality grooves consistently and effortlessly. The 918-I comes standard with a rugged wheel stand built for mobility in the shop without compromising stability. The stand's tray is tough enough to support 200 lbs. The 918-I uses a custom- designed two-stage hydraulic pump that minimizes pipe flare, operator fatigue, and hydraulic fluid leaks. Capacity: 1"~12" Sch. 10 steel; 1"~8" Sch. 40 steel 2"~6" copper; 2"~ 6" Sch. 80 PVC