ZDD FEATURES:This vintage light holder with on/off switch,operating at max 220 volts, max wattage: 60W. Height: H2.76, Base Diameter: 1.30 SAFE QUALITY: Our lamp holder is made of high quality and fireproof material. No fire hazard, heat resistant, corrosion resistant. EASY TO USE: Fits for all standard E27 bulbs. Easy to use, just twist into existing socket. Easy to install, you just need to screw off the base to access the wire connections inside. GREAT FUNCTION: Perfect for restoring old lamps and lights or making homemade lighting fixtures. This item can be used to many kinds of light fixtures. Product Specification Material:Copper Size:70mm*33mm Base Type: E27 Voltage : Up to 220V Wattage: Max.60W Cap base has 1/8 IPS standard lamp pipe thread with set screw Package included 2*light socket Installation note: These sockets, like most self wire-able metal sockets, come with a cardboard lining inside. This should be left in as it acts as an insulator. Do not remove it.