Everything you need to fix a problem lug in a back box when you have damaged the thread.

Saves you time and trouble of replacing the back box

Sleeve fits most lugs

Replacement 3.5mm screw

Reinforced T-fixing

Adhesive pad to fix Back Box Saver position if required

Instructions:

  1. TURN OFF THE POWER. Remove the faceplate and disconnect the wiring.
  2. Identify the damaged lug. ... 
  3. Slide sleeve onto special nut
  4. Slide the Back Box Saver over the damaged lug. ... 
  5. Make sure the holes align.
  6. Replace the screws, tighten as normal and switch the power back on.