Simple, sleek, and effortlessly eye-catching, the aptly named Stack features two large discs floating atop one another. With the addition of the spiked finial at the bottom of the pendant, this timeless yet daring design is sure to elevate any space it adorns. Product Details: Handmade Product Made from brass, metal Finish: Raw brass Matte Black Materials: Brass, Metal High quality components All components are UL and CE approved We used G9 bulb socket in it. Bulbs Type: Require 4 bulbs (Bulbs included) 110 - 120 voltage, 50 watt max with G9 socket rated.(US) 220 - 230 voltage, 50 watt max with G9 socket rated (Europe)