This will drill the correct hole size for the installation of the back box for Katy Paty

Original E27 Ceramic Bulb Holder

Ideal as bedside lights

lightweight and portable

porcelain katy paty colona round surface mounted slim button switch vanilla FINISH:BLACK SCREWS This will drill the correctDesigned to sit flush to wall surfaces, the range is highly adaptable to any interior. Both in its styling and function. The cable's are also externally mounted meaning walls and ceilings do not have to be channeled out. Matching porcelain cable glands direct the cable from switches and sockets into junctions boxes. Re designed retro switches manufactured in Europe by Katy Paty. This one comes with the slim button switch. Made of traditional porcelain