Polyurethane Tread on Iron Core Wheel 2 500 lb Load Rating 1 000 to 2 999 lb Load Rating Range 8 in Wheel Dia 3 in Wheel Width Polyurethane Wheel/Tread Material Firm 90 Shore A Roller Standard Tread Shape 1 in For Axle Size Not Included Includes Spanner Bushing Iron Wheel Core Material Yes Non-Marking 3 1/4 in Hub Length