Lampshade Reducer Ring,10 Pcs E27 to E14 Plastic Lamp Shade Ring Converter,42mm to 29mm to Support Lamp Shade with Duplex Ring Fitting, for Fitting ...
How to Make a Lamp Shade Ring Fit — Mid Modern Mama
Set of 3 (THREE) White Lampshade reducer rings (Insert Type) 40mm - 28mm NEW !!!