Make lifting big loads easier! Hard-cast steel pressure pump is heat treated in stress areas. Polished cylinder with die-cut threads protect seal from abrasion. Bypass mechanism prevents internal damage from over-pumping. Lift Capacity (tons): 12, Min. Lift Height (in.): 9 1/2, Max. Lift Height (in.): 18 5/8, Ram Travel (in.): 6, Screw Top Adjustment (in.): 3 1/8, Operation: Manual, Handle Included: Yes