"Aluminum truck dockboard with steel safety curbs for portability and safety. U.S.A. Height Difference in. 5, Color Yellow safety curbs, Ramp Width in. 56 1/2, Material Type Aluminum w/steel curbs, Compatible With Item #s 143074 and 143075, Handle Included No, Leg Height in. 8 and 7, Load Capacity lbs. 10,000, Ramp Length in. 36, Dock Thickness in. 5/16, Pattern Design Treadplate, OSHA Approved Yes. Designed for portability and safety Tough, high strength aluminum treadplate construction Treadplate design ensures positive traction Safety curbs are painted yellow and are constructed of structural steel with cast tapered ends Beveled edges for smooth entry and exit Steel legs are bolted for increased durability Canted locking legs for easier fork truck portability Manufactured in compliance of OSHA Bend is 11 and 9in. from beveled edge Legs are 12in. from beveled edge When using three-wheeled fork trucks, order dockboard with capacity at least four-times the lifting capacity of fork truck"