LH0753 E26 medium base lamp holder/socket threaded ring
How to Choose the Right Lampshade Ring Size – Hydrangea Lane Home
Uxcell E26/E27 Light Socket Rings Lamp Shade Holder Adapter Ring Black White 12 Pack - Walmart.com
E26 Lamp Shade Rings, Black Light Socket Ring, Lock Socket Replacement for Standard Base Threaded Lamp Holder, Inside Threaded Diameter 1-1/2 Inch (39mm), 4-Pack (Black 1-1/2") - Amazon.com
Shade Ready Socket Extended Threads - Ivory
Light Socket Shade Rings,Aluminum Threaded Socket Ring for Medium Base E26 Sockets,Retaining Rings for Glass Lamp Shades/Light Fixtures (4-Pack White Color/For Thread Diameter 1-1/2 Inches) - Amazon.com
What is a Lamp Socket Ring? - HomeDIYGeek
E14 Screw Ring For Lamp Socket. Heat Resistant Screw Ring For Lampshade Or Glass | Fruugo IE
White Plastic Shade Ring, For Big Size Lamp Sockets, External Thread - Lamplord - Vintage Lighting
Progress Lighting Lighting Accessory Socket Collar Tool - Black P8685-01 - The Home Depot