WM1069 Features: * Auto rewind belt tightening system * Magnesium frame, noseplate, and handles * Welded frame and handles for maximum strength * Non-marking grey vinyl on all contact surfaces securely mounted to truck * WESCO continuous belt stair climbers * Moldon Rubber wheel capacity: 750 lbs, Pneumatic wheel capacity: 600 lbs Assembly Instructions: * Bolted holding dog assembly for easy interchange of parts Dimensions: * Dimensions: 59""H x 24""W