Capacity: 1 1/4" through 24" (32-610mm) This Portable Pipe Groover is designed with a heavy-duty, high-efficiency gear reducer. The helical inline gear reducer with only 5% energy loss will allow pipe grooving 1 1/4" through 24" with a 110-volt electrical service. Hand hydraulic pump applies up to 16,000 psi at the point of roll grooving to produce accurate grooves for quick installation of pipe couplings. Use it at the job site or in the shop. Top and bottom rollers are interchanged easily to handle a wide range of pipe diameters. MODEL 1023 SPECIFICATIONS Capacity: 1 1/4" through 12", Schedule 40 (10mm) 12" through 24" Standard Wall .375 wall (9.5mm) 2" through 8" Copper Tubing K, L, M, and DWV Pipe Rotation Speed: 30 RPM Hydraulic Pressure at Roller: 16,000 psi max. Spindle Height from Floor: 33" (838mm) Electric Drive Motor: 1 1/2 HP 60Hz 110 V 1 PH Floor Space Required: 31 1/2” x 33 1/2” (800 x 857mm) Shipping Weight: 430 lbs.