Polyolefin Tread Wheel 210 lb Load Rating 0 to 299 lb Load Rating Range 3 in Wheel Dia 1 1/4 in Wheel Width Polyolefin Wheel/Tread Material Hard 65 Shore D Plain Standard Tread Shape 5/16 in For Axle Size Not Included Includes Spanner Bushing Plastic Wheel Core Material Yes Non-Marking 1 1/2 in Hub Length