Solid crafted glass cylinder with cooling socket and high-power LED as a pendant light. A lighting fixture with an elegant personality thanks to its perfect design and discreet cooler. The name “piston” derives from French which means “cylinder”. Since the glass cylinders are hand crafted each piece is unique. The glass length can be customised. The outer diameter of the socket is 40 mm. Wire-insulated, tin-plated tensile cable with diameter 4.0 or 6.3 mm, maximum cable length up to 20 m.