Polyurethane Tread on Iron Core Wheel 1 560 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 70 Shore D Precision Ball Standard Tread Shape 1/2 in For Axle Size Not Included Includes Spanner Bushing Iron Wheel Core Material Yes Non-Marking 2 1/2 in Hub Length