Left. Rear dr speaker nut. Right. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Door Panel Handle. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Quarter Panel Reveal Molding. Door Interior Trim Panel Nut. Door Sill Plate Nut. Door Trim Molding Nut. License Plate Bracket Nut. Liftgate Latch Handle Nut. Nut used to secure the speaker. Quarter Panel Splash Shield Nut. Tail Light Nut. Wheelhouse Nut. Included with: Door Trim Panel.