FINELED MR16 to GU10 Adapter Converters Light Sockets Lamp Holder,MR16/GU5.3 To GU10 Light Bulb Base Socket Lamp Adapter Utilize GU10 Base Bulbs in a MR16 Socket - - Amazon.com
LH0995 Converts GU10 twist lock lamp holder/socket to a G5.3,GU5.3,GX5.3,GY5.3 bipin lamp holder/socket