Caster Wheel, 300 lb Load Rating, 300 to 999 lb Load Rating Range, 3 in Wheel Dia., 1 1/4 in Wheel Width, Polyurethane Wheel/Tread Material, Hard, 50-60 Shore D, Delrin, Standard Tread Shape, 1/2 in For Axle Size, Not Included Includes Spanner Bushing, Plastic Wheel Core Material, Yes Non-Marking, 1 7/16 in Hub Length. This item has been restricted from sale in the following state (s): []