Mounts and demounts a full range of tires on rim diameters from 4 to 12 inches. Mounts easily to a bench or in any standard, four-position rimclamp tire changer. A built-in, three fin centering device mounts standard lug-type rims with 2" and larger center hole. Square base prevents turning in the changer during use. Includes a Ken-Tool exclusive, 22" Tire Snake® mount/demount tire tool. Patented.