KINGSO 4 Pack E27 Retro Aluminum Zipper Style Industrial Light Socket Vintage Edison Pendant lamp copper holder With Pull Chain(Black) This is electrifier medium base aluminum shell lamp holder For wire and E27 screw light bulbs and lamps connected, power lighting, display fixtures The Lamp Socket with Pull Chain can be used for lamp or fixture replacement. Pull chain for on/off These lamp holders are ideal for bare bulb features with E27 Edison Screw Bulbs VARIOUS FINISHES AVAILABLE - LOADS MORE IN OUR SHOP!