B&P Lamp® Brass Plated Finish, Med. Base Modern Keyless Lamp Socket With Uno Ring - Walmart.com
lighting - What is the name of a screw-nut ring used to hold up a hanging lampshade? (see photo) - Home Improvement Stack Exchange
Mini Edisons Screw Ses Practical E14 Base Light Bulb Lamp Holder Pendant Socket Lampshade Ring 250v 2a Black/white - Lamp Bases - AliExpress
Phenolic Keyless Lamp Socket W/screw Cap - Etsy
E27 ES Edison Screw Batten Lamp Bulb Holder & Shade Ring - Etsy Israel
Chrome Ring for G9 Threaded Sockets, 3/4" ID (40280) - Antique Lamp Supply - Quality Lamp Parts Since 1952
Lamp holder E27 with screw ring, 54mm, white | 257.000027-081
Kiven 4 Pack Metal Screw Ring Reducer Ring, for lamp Socket Rings and lamp Screens or Glass Elements,Bronze - Amazon.com
Ring A19 Smart LED Bulb | Smart Lightbulb | Ring
Lamp suspension E27 with screw ring, 100cm textile cable adjustable, pendant lamp compatible with lampshade, lamp holder ideal for hanging lamp kitchen, white - Walmart.com