Ergonomic Nylon Tread Wheel 1 400 lb Load Rating 1 000 to 2 999 lb Load Rating Range 2 5/8 in Wheel Dia 1 5/8 in Wheel Width Nylon Wheel/Tread Material Hard 80 Shore D Precision Ball Standard Tread Shape 9/16 in For Axle Size Not Included Includes Spanner Bushing Nylon Wheel Core Material Yes Non-Marking 1 13/16 in Hub Length