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. Overall height is 38".