Caster Wheel, 6, 600 lb Load Rating, 6, 000 lb and Greater Load Rating Range, 7 7/8 in Wheel Dia., 2 1/8 in Wheel Width, Nylon Wheel/Tread Material, Hard, 80 Shore D, Precision Ball, Standard Tread Shape, 1 3/8 in For Axle Size, Not Included Includes Spanner Bushing, Nylon Wheel Core Material, Yes Non-Marking, 2 3/8 in Hub Length. This item has been restricted from sale in the following state (s): []