Unique Knob by Atelier GeorgeOne of a KindDimensions: Ø 5.5 x H 5.5 cmMaterials: Handblown glass, BrassSlotted square 7 mm, Clamping ScrewVariations of colors available. The Atelier George is a French design and glassblowing studio. Each piece is hand-made using hot glass crafting techniques. To bring you a set ofunique objects, the crafting process and the color finish makes every piece slightly different from the next.