E12 Candle Candelabra Base Screw Socket to Intermediate E17 Fan Light Screw Adapter Converter (12pcs/Pack) Converts Candelabra E12 Socket to Intermediate E17 Socket Package includes: 12pcs of e12 to e17 adapters Suitable for All E17 CFL and LED bulbs. Material: Copper and flame resistant PBT Please check your bulbs size carefully before purchasing.