Iron Tread Wheel, 1,000 lb Load Rating, 1,000 to 2,999 lb Load Rating Range, 4 in Wheel Dia., 2 in Wheel Width, Iron Wheel/Tread Material, Extra Hard, 145 BHN, Roller, Standard Tread Shape, 1/2 in, 3/4 in For Axle Size, Included Includes Spanner...