Nostalgic A15 Antique Thread bulb is an excellent replica of antique light bulbs and is the perfect complement to any vintage or contemporary decor. Features defined steeple and intricate filament design giving off a warm, amber glow. Lamp Type A15. 120 Volt. E12/B10 candelabra base. 2,000 hour average lamp life. 35 lumens. 3.75 inch length.