Trailer Stabilizing Jack Ratchet Static Load Capacity 80 000 lb Adjustment Range 39-1/2 in to 51 in Lifting Capacity 40 000 lb Yellow Base Dimensions 14 in Triangle Top Plate Dimensions 24 in x 6 in Material Steel Wheel Material Solid Rubber Wheel Width 1 1/2 in Wheel Diameter 8 in Includes Cast Iron Ratcheting Handle With a Steel Extension Pipe 4 in Front Wheel Standards Meet OSHA Regulations With Wheels Yes