Steel Tread Wheel 5 000 lb Load Rating 3 000 to 5 999 lb Load Rating Range 8 in Wheel Dia 2 1/2 in Wheel Width Steel Wheel/Tread Material Extra Hard 179 BHN Roller Standard Tread Shape 3/4 in For Axle Size Not Included Includes Spanner Bushing Forged Steel Wheel Core Material Yes Non-Marking 3 1/4 in Hub Length