Designed to support up to 780 pounds, the C.E. Smith Company 12 in Trailer Tire features tough rubber and steel construction. The center hole measures 3.19 inches, and the tire has a 5 x 4.5 bolt pattern. Size: 480 x 12 B. Made in USA. C.E. Smith Company 12 in Trailer Tire - Trailers And Tires at Academy Sports