10 inch Shade Rings, 2-13/16 inch - Paxton Hardware
Create idea 12Pcs E27 Thread Socket Ring Replacement Lamp Shade Reducer Ring Light Fitting Lampshade Washer Adapter Accessories for Table Lamps Floor Lamps Board Lamps - Amazon.com
Lampshade Frame Lamp Fix Ring 3-tier Shade Ring Fitter Iron Ring Support Supply - Walmart.com
Unicozin Lamp Shade Rings, Socket Ring for Medium Base E26 Sockets, Lighting Accessories Lamp Holder for Glass Lamp Shades/Light Fixtures, White 2Pcs - Amazon.com
JNXQWE Uno Lamp Shade Reducing Ring,E27 to E14 Hole Converter for Fitting Screw Lamp Shades to Bayonet Cap Lampholders with Outer Diameter 1.77 Inch and Inner Diameter 1.14 Inch (6 Pack of) -
8pcs Round Recessed Spotlights Trim Ring Fitting with GU10 Lamp Holder - Walmart.com