115-175 PSI available air pressure. Lift Capacity (tons): 20, Min. Lift Height (in.): 10 3/8, Max. Lift Height (in.): 20 1/8, Ram Travel (in.): 6 11/16, Screw Top Adjustment (in.): 3 1/8, Operation: Air/Manual, Handle Included: No, Dimensions L x W x H (in.): 4 1/4 x 8 1/8 x 10 3/8