Polyurethane Tread on Iron Core Wheel 2 200 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 90 Shore A Precision Ball Standard Tread Shape 3/4 in For Axle Size Not Included Includes Spanner Bushing Iron Wheel Core Material Yes Non-Marking 3 1/4 in Hub Length