Flat-Free Polyurethane Foam Wheel, 400 lb Load Rating, Turf Tread, 13 1/2 in Wheel Dia., 2 1/2 in Wheel Width, For Axle Size 3/4 in, 13x6.50-6, Standard Tire Rim Type, Center Mount Hub Position, 3 1/16 in Hub Length, Steel Hub Material, Yes Non-Marking