they have an M10 ( 10mm ) thread which is a direct swap for most table lamp/wall lamps

Diameter: 105mm

Top Diameter - 600mm

representative premises

porcelain wall socket black uk FINISH:BLACK SCREWS they have an M10 (Modern UK wall socket manufactured in Europe by Katy Paty. This socket is a direct match for the wall switches. They are made of traditional porcelain which is engrained and abrasion resistant. The colours are constant and, unlike colours of plastics they are UV and Dust resistant. Constant colour and highly abrasion resistant surface. Enamelled and handmade in a top glossy quality. CE conformity certificate available on request. Decorative cover.