Nonmarking Rubber Tread on Plastic Core Wheel, 325 lb Load Rating, 300 to 999 lb Load Rating Range, 5 in Wheel Dia., 1 1/4 in Wheel Width, Thermoplastic Rubber Wheel/Tread Material, Firm, 85-95 Shore A, Delrin, Donut Tread Shape, 5/8 in For Axle Size,...