Will fit most small bayonet B15 lamp holders. 23mm Width External 17mm Width Internal. Choice of 4 colours.
E14 B15 Chunky Shade Rings Black Plastic 44mm Width External 27mm Width Internal
LT Easiyl Pack of 4 Light Socket Rings Galvanised Metal Thread Rings Screw Rings 20.8 x 2 mm Suitable for Halogen Sockets G9/GY6.35/GU4/GU5.3
Metal E27 ES Lampholder with 2 Shade Rings and Grub Screw Vintage Retro
Edison Screw (E27) Solid Brass Earthed Lampholder with 2 Shade Rings and Metal Loop
JOINPAYA Iron Lamp Shade Rings and Metal Wire Lampshade Holder Frame, 20x15x13cm Adjustable Iron Wire Frame for DIY Drum Lampshades, Compatible with Table, Floor, and Pendant Lamps
PATIKIL Goof Rings Inner Diameter 2.99", Outer Diameter 4.72", 6 Pcs Metal Goof Rings Cover Recessed Light Trim for Ceiling Wall Fixtures Can Lighting Down Light LED, Matte Finish White