A standard BC Unswitched Lampholder with a 1/2" screw fixing in the base. This White Unswitched BC Lampholder has a wide skirt shade ring. The 1/2" Base in the cap will screw onto a 1/2" male fixing. This lampholder has a metal skirt to hold the BC lamp in place where some of the economy version have plastic.
Rated at 60w