This large black industrial factory pendant light was designed and produced by elektrosvit in former czechoslovakia during the 1960s.it features a cast aluminium top, a black enamel exterior and a white enamel interior. new porcelain socket requires standard e 27/ e26 lightbulbs. New wire. The weight of the lamp is 8kg. The diameter is 53 cm. 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, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.