Polyolefin Tread Wheel 300 lb Load Rating 300 to 999 lb Load Rating Range 6 in Wheel Dia 2 in Wheel Width Polyolefin Wheel/Tread Material Hard 75 Shore D Roller Standard Tread Shape 5/8 in 3/4 in For Axle Size Included Includes Spanner Bushing Rubber Wheel Core Material Yes Non-Marking 2 7/16 in Hub Length