Trailer Jack Square, Number of Wheels 0, Static Load Capacity 12,000 lb, Maximum Lift Height 4 ft 5 3/16 in, Minimum Lift Height 3 ft 3 3/4 in, Handle Type Sidewind, Mounting Type Weld-On, Gear Travel 12 1/2 in, Load Capacity 12,000 lb, Maximum Lifting Capacity 10,000 lb, Extended Length 53 5/16 in, Retracted Length 27 3/8 in, Jack Type Sidewind Trailer Jack, Adjustment Range 25 7/8 in, Base Drop Leg with Spring Return, Construction Steel, Diameter 4 in WARNING: Cancer - www.P65Warnings.ca.gov -