5pcs E26/E27 2 in 1 Edison Screw Medium Socket Splitter Extender Extension Adapter Converter Split your current lamp existing E27/26 Screw mount/fixture High-quality material, durable and practical. High temperature resistant, Flame retardant PBT Suitable for E27/E26 Bulbs or Lights with 75 watts Maximal Used for LED CFL Lights ONLY, NOT for incandesent light bulb