Ergonomic Elastomer Tread Wheel 3 400 lb Load Rating 3 000 to 5 999 lb Load Rating Range 10 in Wheel Dia 3 in Wheel Width Elastomer Wheel/Tread Material Hard 75 Shore D Precision Ball Standard Tread Shape 3/4 in For Axle Size Not Included Includes Spanner Bushing Plastic Wheel Core Material Yes Non-Marking 3 1/2 in Hub Length