Rubber Tread on Steel Core Wheel, 990 lb Load Rating, 300 to 999 lb Load Rating Range, 9 15/16 in Wheel Dia., 2 3/8 in Wheel Width, Rubber Wheel/Tread Material, Soft, 65 Shore A, Roller, Standard Tread Shape, 3/4 in For Axle Size, Included Includes Spanner Bushing, Steel Wheel Core Material, No Non-Marking, 2 5/8 in Hub Length