9 Pack E26 E27 Lamp Socket with Shade Ring,Light Bulb Socket Holder Screw in Standard Base Medium Edison Retro Pendant Bulb,Basic Black Replacement Hold Light Cage Cover - Amazon.com
uxcell Lamp Shade Ring, 100mm Dia. Lampshade Holder Frame Ring for E26/E27 Lamp Socket, Baked Coating Iron 1 Set - - Amazon.com
Uxcell Lamp Shade Ring, 120mm Dia for E26/E27 Lamp Socket, Baked Coating Iron 1 Set - Walmart.com
Uxcell Lamp Shade Ring, 120mm Dia for E26/E27 Lamp Socket, Baked Coating Iron 1 Set - Walmart.com
Uxcell Lamp Shade Reducing Ring E27 to E14 Holder Adapter Ring for Light Fixtures 6 Pack - Walmart.com
E26/E27 Light Socket Rings Lamp Shade Holder Adapter Ring Black White 8Pcs | eBay
Plastic Bulb Holder Fasteners Washers | Plastic Ring Adaptor | Lamp Washer Black - 1pc - Aliexpress
E26 E27 Lamp Shade Collar Rings,JNXQWE Light Socket Ring,E26 E27 Lock Socket Replacement Adapter Ring with Inner Diameter of 1.57 Inches(40MM), Retainer Rings for Light Fixture (4, White) - Amazon.com
E27 Lamp Shade Collar Ring by debolestis | Download free STL model | Printables.com