Ensure the grub screw on your Volkswagen's front axle beam stays in place by installing a new Grub Screw Nuts. It's not very exciting, but Grub Screw Nuts are incredibly important as they stop your Volkswagen's front axle Grub Screw from coming loose! Fits all torsion bar front beams. Also used in the middle of the beam if adjusters have not been fitted.