Handle base screw. Left. Right. A Screw that is used to secure the Vent Window Glass to it's mounting point. A Screw that is used to secure the Window Regulator Guide 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 Door Handle Base to it's mounting point. Channel. Exterior Door Handle Base Bolt. Fixed Glass. Regulator Guide. Side Vent.