Hinge nut. Left. Right. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Floor Extension. Bumper Cover Reinforcement Beam Nut. Bumper Cover Reinforcement Nut. Bumper Impact Bar Nut. Liftgate Hinge Nut. Flange. Bumper Cover Reinforcement Beam. Dust Cover. End panel. Floor Extension. Idler pulley. Impact Bar retainer. Liftgate Hinge.