Bottle Jack,Shorty Hydraulic,12 tons, Load Capacity 12 ton, Body Material Steel, Minimum Lift Height 6 in, Maximum Lift Height 10 1/2 in, Standards ASME, PASE, Base Length 6 3/8 in, Base Width 6 in, Extension Screw Length 3 1/8 in, Features Extension Screw Adjusts to Accommodate Work Height, Heat Treated Critical Stress Areas, Ideal for Auto, Truck Service, Farm, and Shop Use, By-Pass Device Protects Against Over-Pumping