Left. Outer belt bolt. Rear. Right. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Seat Belt Shoulder Belt to it's Mounting point. Seat Belt Lap and Shoulder Belt Bolt. Seat Belt Receptacle Bolt. AND Amplifier; retractor. Washer BaseD H. Anchor plate. Buckle end. Center Assembly. Outer Buckle. Seat Receptacle. Seat Shoulder.