This industrial pendant lamp was designed by Charles Keller for Zumtobel Staff during the 1990s. It features a cast aluminum top and an aluminium shade, newly painted on red. New porcelain socket requires E27/ E26 light bulbs. New wire. The diameter of the shade is 34 cm. It weighs 2.3 kg. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.