Porcelain Industrial wall lamp.White porcelain, brass and cast ironClear glass.2 conductors, no ground.Diameter cast iron wall piece 10.5 cm / 4”.2 holes to secure.Weight: 2.10 kg / 4.6 lbPriced per individual item. All lamps have been made suitable by international standards for incandescent light bulbs, energy-efficient and LED bulbs. E26/E27 bulb holder. The new wiring is CE certified or UL listed. 100% safe. They can be set in operation immediately. Excluding light bulb.