"Pio Manzù had the original idea for Parentiesi.‎‎ He thought up a fixed vertical boom and a cylindrical box with a slot for the light, which went up and down: you stopped it with a screw.‎‎ He replaced the boom with a metal chord that, when bent creates friction and enables the lamp to be in position without requiring any screws"Achille Castiglioni.‎‎This lamp won the Compasso d’Oro award in 1979.‎‎Lamp providing direct light.‎‎ Lamp moves vertically via sliding of a painted or nickel-plated shaped steel tube on a ceiling-to-floor steel cable (4000 mm long).‎‎ Fixture head made of injection-molded black elastomer housing a switch.‎‎ Length of power cord from lamp-holder 4000 mm.‎‎ Net weight 3 kg.‎‎FINISH: RedACCESSORIES: - TRIAC dimmer for LED- Bulb not included (can be purchased separately)- Voltage 220-250V- Power 150W