Steel Core 1,000 LB Capacity Swivel Trailer Jack Boat Trailer Accessory - Ideal for marine and other recreational trailers. Zinc plated finish for corrosion resistance 1,000 lb lift capacity 10.5-20.5 in lift range Sturdy 6 in polypropylene wheel Includes hardware to mount up to a 3 in x 5 in trailer frame Weight: Approximately: 14.74 pounds