Metal Lamp Holder #01 (E27)
Available in Brass, Chrome, Copper or Pearl Black.
 
Fitting: E27, Edison Screw
Height: 60 mm
Diameter: 40mm
Includes one shade ring
Diameter Ring: 59 mm
 
The 3 core terminals allow the holder to be grounded. 
The lamp holders are excellent for the home or  within commercial spaces and can be used with dimmer switches.