Iron Tread Wheel 1 000 lb Load Rating 1 000 to 2 999 lb Load Rating Range 4 in Wheel Dia 2 in Wheel Width Iron Wheel/Tread Material Extra Hard 145 BHN Roller Standard Tread Shape 1/2 in 3/4 in For Axle Size Included Includes Spanner Bushing Plastic Wheel Core Material Yes Non-Marking 2 7/16 in Hub Length