Ecofix Lampholder BC / B22 ½" Threaded Entry, Shade Compatible (Lock Ring Included)
Height: 40mm, Width: 32mm
A good quality fully functional lampholder with a great range of finishes. Ideally suited to table lamps with a cord switch or lanterns. Fits on a half inch thread but can be used with a reducer to fit 10mm thread applications. Fits a 30mm shade hole.
If in doubt consult a qualified electrician