Onite 71-E27GU10P10-WT 10 PCS E26 E27 Edison Screw to GU10 Bayonet Base Adapter Lamp Socket, White 10-Pack of Onite E27 E26 to GU10 Adapters - Converts your Standard Screw-in Bulb Holder to GU10 Socket. 100% Brand new high quality. 30 days return policy or full 100% Money back refund or exchange if you don't like it. Fits for all standard screw GU10 bulbs. Easy to use, just twist into existing socket. Easy to use, just twist into existing socket2 Years Warranty! Color: White, Material: Flame-retardant ABS plastic, Weight: About 35g/pcs.