Made with genuine DuPontÖ Zytel« super-tough nylon resin for unmatched strength and durability Dual raised beads facilitate inserting tire lever under tire bead and prevents tire lever from slipping Prevents rim damage from tire levers during tire changes Handholds make it easy to insert and remove Improved version of original RimShieldÖ Long apron protects hands and spokes Won't mar wheels Not for use on HD cast rims.. TOOL RIM SHIELD-II PAIR2