Polyurethane Tread on Iron Core Wheel 1 800 lb Load Rating 1 000 to 2 999 lb Load Rating Range 8 in Wheel Dia 2 1/2 in Wheel Width Polyurethane Wheel/Tread Material Firm 92 Shore A Roller Standard Tread Shape 3/4 in For Axle Size Not Included Includes Spanner Bushing Iron Wheel Core Material Yes Non-Marking 3 1/2 in Hub Length