This reproduction carbon filament bulb is hand crafted to evoke the look of the historic Edison light bulbs. This historic bulb is made up of a series of up and down filaments which make up a "cage" around the center glass pillar support. Bulb has a standard Edison base and measures 6-3/4" tall (including the 1" base) by 5" in diameter. The light bulb emits a nice decorative glow and can be used in any medium base socket, with or without a shade, to create a dynamic light art. This was a very popular bulb in the early days of electric lighting. This light bulb is great for authentic lighting concepts and exposed socket fixtures. Rated for 60 Watts at 120 Volts.