Caster Wheel, 1,200 lb Load Rating, 1,000 to 2,999 lb Load Rating Range, 6 in Wheel Dia., 2 in Wheel Width, Polyurethane Wheel/Tread Material, Firm, 95 Shore A, Roller, Standard Tread Shape, 1/2 in For Axle Size, Not Included Includes Spanner Bushing, Nylon Wheel Core Material, Yes Non-Marking, 2 1/4 in Hub Length