The attractive Tamburo wall sconce has minimal hardware to show off the beautiful open-ended handcrafted glass. ADA-Compliant. Our Opal glass is a soft white cased glass that can suit any classic or modern decor. Opal has a very tranquil glow that is pleasing in appearance. The smooth satin finish on the clear outer layer is a result of an extensive etching process. This blown glass is handcrafted by a skilled artisan, utilizing century-old techniques passed down from generation to generation. These stylish and functional luminaries are offered in a beautiful Satin Nickel finish.