FINELED 6PACK E26 E27 to E17 Socket Adapter,Medium Screw to Intermediate base E17 Light Bulb Socket Adapter Converter Reducer (6PACK) 6pcs in a lot.Enlarges your Intermediate base E17 bulb base to fit E26 E27 medium sockets Reference Max.Voltage/Max.Wattage:125V / 75W UL Standard.Quality,safe and eco-friendly Quality Insurance: 1 year replacement warranty &7 days return for free Easy to install.Suitable for E17 CFL and LED bulbs(not recommended for traditional high wattage bulbs)