Polyurethane Tread on Aluminum Core Wheel 1 230 lb Load Rating 1 000 to 2 999 lb Load Rating Range 6 in Wheel Dia 2 in Wheel Width Polyurethane Wheel/Tread Material Hard 55 Shore D Roller Standard Tread Shape 1/2 in For Axle Size Not Included Includes Spanner Bushing Aluminum Wheel Core Material Yes Non-Marking 2 7/16 in Hub Length