Lightweight Plastic, Double End Opening 4.25″ O.D. Clear plastic body w/ Grey Swivel end caps, Velcro rider bans and felt air rings.  Diebold Vat 3,4,6,7,8,12,21,23;  Mosler TV3000, 5000, 2000R, LeFebure TA-45, Comco, & more