100-145 PSI available air pressure. Lift Capacity (tons): 12, Min. Lift Height (in.): 10, Max. Lift Height (in.): 19 13/16, Ram Travel (in.): 6 1/2, Screw Top Adjustment (in.): 3 1/8, Operation: Air/Manual, Handle Included: Yes, Dimensions L x W x H (in.): 4 1/2 x 7 1/2 x 10