Trailer Stabilizing Jack, Gas Activated, Static Load Capacity 100,000 lb, Adjustment Range 37 in to 48 in, Lifting Capacity Not Rated, Yellow, Base Dimensions 17 in x 18-1/2 in, Top Plate Dimensions 30 in x 5 in, Material Steel, Wheel Material Solid Rubber, Wheel Width 6 in, Wheel Diameter 16 in, With Wheels Yes