ASTER 12 Packs Standard Lamp Switch Knob Replacement, Light Lamp Turn On/Off Switch Knobs Replacement 3 Size (20,35,50 MM), Lamp Socket Knobs Switch Extension Easy to Turn on/Off The Lights

Feature:

? 12 Pieces turn knob replacement .Have a few more left over to use in the future if needed.

? Made of quality plastic. Easy to screw and durable.

? Size: 4 x (20mm x 13mm/ 0.79 x 0.51 inches), 4 x (35mm x 13mm/ 1.38 x 0.51 inches), 4 x (55mm x 13mm/ 2.17 x 0.51 inches). Universal and Versatile.

? Life saver: If you ever break off the twist on and off stem of a lamp, the lamp becomes useless. With these, have no worry about that ever again.