Fully Welded Bottle Jack,30 tons, Jack Type Bottle Jack, Load Capacity 30 ton, Maximum Lift Height 17 1/2 in, Minimum Height 11 in, Base Length 6 1/32 in, Base Width 6 13/16 in, Features Built-In Safety Valve Protects Against Dangerous Ram Over-Extension, Extension Screw Adjusts to Desired Work Height for Added Reach, Fully Welded Base Prevents Oil Leakage Over Time, Handle Length 16 1/2 in