A good quality replacement switched bulb holder. Made in the UK and conforming to all regulations. This is a safety switch and will not work (switch) unless a bulb is fitted to depress the red safety post. The bulb holder takes a standard B22 bayonet bulb, it has a 10mm female entry at the base. It comes complete with shade ring. 6cms tall and 2.6cms across the threaded body. 2 3/8 inches tall and 1 inch across the body. 

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