The Auto-Hite Cart raises or lowers as materials are removed or added to the platform, keeping material at an ergonomic work height. Increase efficiency while reducing potentially harmful bending and twisting motions. Carts utilize tension springs which can be adjusted in order to fit each particular application. All steel construction with removable bolt-on handle. Polyurethane casters are 5" x 2", (2) rigid and (2) swivel with brake. Casters may be removed to convert cart into a stationary table. Springs with adjustable tension allow user to conveniently "fine tune" to fit the application. Comes with a removable handle that is bolted on. Heavy duty all steel construction with blue painted finish. Specs: Platform Size 48" x 48", Service Range 14" to 34", Movement 100 Lbs./1", Overall Size 48" x 55".