Polyurethane Tread on Iron Core Wheel 2 000 lb Load Rating 1 000 to 2 999 lb Load Rating Range 6 in Wheel Dia 3 in Wheel Width Polyurethane Wheel/Tread Material Firm 92 Shore A Roller Standard Tread Shape 1 in For Axle Size Not Included Includes Spanner Bushing Iron Wheel Core Material Yes Non-Marking 3 1/2 in Hub Length