Left. Right. Trim U-nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Door Panel Handle. Bumper Cover Support Rail Nut. Center High Mount Stop Light Nut. Door Interior Trim Panel Nut. Fender Liner Extension Nut. Fender Liner Nut. Nut securing the Interior Door Handle. Radiator Support Splash Shield Nut. Valance Panel Nut. Included with: End Support, Fender Liner, Lower bracket, Lower Support, Under Cover, Upper bracket, Valance Panel.