- The structured ice glass creates a glare-free light and interesting lighting effects - Each lamp has 4 E27 sockets - The shade holders can be adjusted to bring them into the correct position - The glasses are held with 4 nickel-plated elements each - The ends at the top and bottom of the lamp are made of brass - The wall mounts are painted steel I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources 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.