Motion Pro patented design RimShield II is the new and improved version of the original Rim Shield. I is manufactured with genuine DuPont Zytel Super Tough nylon resin for unmatched strength and durability. Rim Shield II prevents rim damage from tire levers during tire changes. The dual raised beads facilitate inserting tire lever under tire bead and prevents tire lever from slipping and marring of wheels. Finger holes make it easy to insert and remove shields. Your hands and spokes are protected thanks to the long apron. The RimShield II is sold in a set of 2. Not for use on HD cast rims.