Vestil FMS-2.5 Fixed Machinery Skate with 2 Nylon Roller, Steel, 8-1/4" Rubber Surface Length, 4-3/4" Width, 4" Height, 2.5 Ton Capacity Designed to move heavy equipment and machinery Rigid nylon wheels are strong and will not mark floors Includes a rubber surface for extra grip Steel construction with handle to carry and position