E27 Light Bulb Lamp Holder Pendant Socket. E27 Light Bulb Lamp Holder. E27 Lamp Holder Fittings. Socket type: E27. 1pc x E27 Light Bulb Lamp Holder Pendant Socket (Black). Need to assemble yourself. ✅ It has a 39mm ring thread with lamp shade collar that can be removed to allow the fitting of a lamp shade.