Polyurethane Tread on Iron Core Wheel, 2,420 lb Load Rating, 1,000 to 2,999 lb Load Rating Range, 8 in Wheel Dia., 1 3/4 in Wheel Width, Polyurethane Wheel/Tread Material, Firm, 92-97 Shore A, Precision Ball, Standard Tread Shape, 1/2 in For Axle Size, Not Included Includes Spanner Bushing, Iron Wheel Core Material, Yes Non-Marking, 2 1/4 in Hub Length