Nylon Tread Wheel 7 200 lb Load Rating 6 000 lb and Greater Load Rating Range 8 in Wheel Dia 3 in Wheel Width Nylon Wheel/Tread Material Hard 85 Shore D Precision Ball Standard Tread Shape 1 1/4 in For Axle Size Not Included Includes Spanner Bushing Nylon Wheel Core Material Yes Non-Marking 3 1/4 in Hub Length