Molded rubber on metal insert with welded stud. Original bulls eye design. Ford made this just a little big bigger for the big truck. 3 1/2 O.D. 7RT-2454$15.00 Questions about parts? Techinfo@bobdrake.com Prices may vary from those in the actual catalog. ©2007 Bob Drake Reproductions Inc. Home • About • Store • Shows • Contact Us • Catalog • Project '35 Updates