High-Clearance Bottle Jacks, Jack Type Bottle Jack, Load Capacity 12 ton, Body Material Steel, Lifting Actuator Manual Handle, Minimum Lift Height 9 1/2 in, Maximum Lift Height 18 3/4 in, Power Source Mechanical, Standards ASME, PASE, Base Length 5 1/2 in, Base Width 5 3/8 in, Extension Screw Length 3 1/8 in