Left.AWD. Right.AWD. Stone guard bolt. to 10/12/2012. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Fender Reinforcement to it's mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Stone Guard to a mounting point. Fender Support Bolt. mount. Reinforcement Bar. screw. End. Included with: End support.