Uno Lamp Shade Reducing Ring Europe E27 To E14 Adapter Converter Zoom Out, Tootoo Star Light Assessories Parts 2PCS, this Product Outer Diameter is 1.77 Inch and the Inner Diameter is 1.14
FenchelShades.com Lampshade 5" Top Diameter x 10" Bottom Diameter x 8" Slant Height with 6" Drop Slip Uno Attachment (Cream) - - Amazon.com