High-Clearance Bottle Jacks Jack Type Bottle Jack Load Capacity 4 ton Body Material Steel Lifting Actuator Manual Handle Minimum Lift Height 8 1/8 in Maximum Lift Height 15 1/2 in Power Source Mechanical Minimum Height 8 1/8 in Standards ASME PALD Base Length 4 in Base Width 3 7/8 in Body Material Finish Baked Enamel Extension Screw Length 2 3/8 in