GU24 Plastic Keyless Socket with Bracket,TWDRTDD Bi-Pin (GU24) Base Twist and Lock Base Lamp Holder with 5.9 Inch Wire for CFL Lamp (3-PACK) - Amazon.com
Lamp Shade Rings+Plastic Lampshade, Lock Socket Replacement for Standard Base Threaded Lamp Holder,Thread Diameter 1-1/2 Inches (4-Pack) - Amazon.com