The Kopra Cluster takes the familiar Boi shade and groups them together in varying sizes to create a symmetrical organic form. Shades are made of powder coated steel and suspended from a powder coated steel drop. Shades are open at top and bottom and rotate to direct light where you need it most. Shades: Powder-coated steel Frame: Powder-coated steel Available Colors: Hi-Gloss Black, Hi-Gloss White Custom colors available at additional cost. Dimensions: 22” / 56 cm Lamp- US/Canada: (10) G16.5 Globe bulb, Candelabra base, 20W recommended / 40W max Lamp- Europe: E14 Golf Ball 40W max, E14 Candle 40W max Wattage: 600 watts Weight: 30 lbs / 13.6 kg David Weeks Studio lighting is custom-made in Brooklyn, New York.