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

there is space

MAX 60W - 220V - E27 Bulb Holder - IP43

The Adam Stools are made of powder coated steel and a thin seat of wood or leather

but can also be used as a scrub brush for various cleaning

porcelain wall switch matt black double REFLECTOR they have an M10 (Re designed retro switches manufactured in Europe by Katy Paty. This comes with a double switch. 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. Guarantee 50