&&According to the information provided, the product is a heavy duty material lift for construction and industrial applications with a 12' 11" (3.94 m) maximum lifting height and a 650 lbs (295 kg) capacity. It is comprised of a metal structure on casters with a central aluminum mast. A special "U"-shaped steel fork is installed on the mast and is used to lift material manually by a one-speed manual winch, which requires 8.5 cranks per foot. It is made to enable easy lifting, loading, and maneuvering of loads.