Description:

Replace old or broken socket turn knob on bulbs and lamps.. Thread Diameter: 3mm / 0.12"; Total Size: 20mm x 12.4mm / 0.79" x 0.49"(L*Max.D).. The extension knob provides greater leverage, making it easier to turn the switch.. Turn counterclockwise to remove the old knob, then screw the new knob clockwise onto the lamp holder.. Widely used in table lamp, floor lamp, wall lamp, hanging lights..