Polyurethane Tread on Iron Core 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, 90 Shore A, Roller, Standard Tread Shape, 3/4 in For Axle Size, Not Included...