GU10 ceramic socket for light bulbs with GU10 Twist & Lock base – BulbAmerica
E27 Light Bulb Base Socket Ceramic Edison Screw ES Cap Heat Lamp Holder Fitting | eBay
Harbor Breeze 60-Watt Porcelain Pull Chain Lamp Socket, White in the Light Sockets department at Lowes.com
E26 E27 Ceramic Light Socket, Helunsi Medium Base Porcelain Lamp Holder, Ceramic Light Bulb Socket with 12" Wire Lead, Medium Base Lampholder for Incandescent Led Light Bulbs Replacement (Pack of 4) -
Leviton Glazed Porcelain Lamp Holder with Pull Chain and Outlet R60-09726-00C - The Home Depot
Uxcell G9 Light Base Socket Ceramic Lamp Bulb Holder Connector - 2 Pack - Bed Bath & Beyond - 36693951
Flush Mount Lamp Holder Two Piece Porcelain Sign Socket Vintage Marquee Top Quality Supplies for Your Handmade Lighting, Lamps, DIY - Etsy
Ceramic Ceramic Lamp Holder Electric Light Socket with Standard E27 Base - Walmart.com