Check the listing for details. 10pcs E26 To E26 Medium Screw Socket Extender Adapter 1.5" Extension. Color: White, Condition: New. Listed at 15.99 USD. Feature:Converts an E26 screw-in socket into another E26 socketExtends bulb base by 1.5 inches, bulb length by 1.25 inchesHigh temperature resistant, erosion resistant and anti-flamingHigh-quality material, durable and practical Suitable for E27/E26 LED CFL Bulbs or LightsNOT FOR INCANDESCENT LIGHT BULBS. Note:It accepts standard E26 light bulb sockets and extends the base of the bulb by 1.5 inches. It is the ideal solution for bulbs with wide bases that need a little extra room. At the same time, using this E26 to E26 extender will add another 1.25 inches to the length of the bulb. In case you may want to lower your new LED bulb in your recessed pot light. 2. It is small in size and light in weight, you just need to screw a standard base E26 bulb in this adapter, and then screw the adapter to any E26 socket. The E26 to E26 base extender can be applied with multiple voltages, 12V, 110V-120V, and 220V-240V. It is a really good helper for home lighting! Size: 36.5(Dia.) mm* 59.5(H) mm Package includes:10pcs of lamp socket extenders