ES Edison Screw E27 Base Light Bulbs & Lamps

The Edison screw E27 bulb is 27mm in width and the most common size of screw base light bulb. This ES screw bulb base can be found on incandescents, halogens, CFLs, and LEDs. The ES base comes on different bulb shapes, including globe, GLS, reflector, and pygmy. The E27 bulb base is used in many overhead fixtures, reading, or floor lamps.