This industrial cast aluminium and bakelite light was made by elektrosvit during the 1970s in former czechoslovakia. These fixtures were used in laboratories and chemical and industrial plants. The light requires two led t8, 150 cm light tubes. The weight of the lamp is 6 kg. The led light tubes and chain are not supplied with the light. 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.