Trailer Stabilizing Jack Ratchet Static Load Capacity 80 000 lb Adjustment Range 39 in to 51 in Lifting Capacity 40 000 lb Yellow Base Dimensions 18 in Triangle Top Plate Dimensions 8 in Dia Material Steel Wheel Material Solid Rubber Wheel Width 1 5/8 in Wheel Diameter 8 in Includes Reflective Collar 19-1/2 in Tilt Handle Standards Meet OSHA Regulations With Wheels Yes