Splink Vintage Copper Light Socket,E26 Industrial Light Socket Metal Shell with Knob ON/Off,Vintage Edison Pendant Lamp Copper Holder DIY,Suitable for Bar House Coffee Shop These lamp holders are ideal for bare bulb features with E26/E27 Edison Screw Bulbs Bulb Holder could assemble to a socket and cord for a hardwired lighting with an exposed bulb for a new fitting The light holder operating at max 250 volts, max wattage: 60W. Product height: 6.8cm, Base Diameter: 3.2cm. It is a great addition to any style space with an exposed vintage bulb, providing ambient or task lighting for vintage fixtures. Easy to install, you just need to screw off the base to access the 2 wire connections inside. Perfect for restoring old lamps and lights or homemade lighting fixtures.