High Quality: Half Round Glass Clamp Holders are made of premium zinc alloy with chrome finish, exquisite and durable. Adjustable and Non-slip: Screw with rubber head, can Firmly lock the glass to prevent skidding, but also can be adjusted to better fit the screw and the glass shelf. Suitable for 8-12mm thick glass. Easy to install: Equipped with screws, the glass wall brackets are easy to install. Wide application: perfect for attach glass shelves, such as bathroom glass shelves, wine cabinets, display cabinets, etc. Many uses: The glass shelf brackets are suitable for supporting and securing the glass shelves of your glass display cabinets, display cabinets, wine cabinets and bathroom glass storage shelves. And they are also used for rimless glass shelves to make storage shelves. Features: - Material: Zinc Alloy. - Colour: silver. - Dimensions: 51 x 23 x 18 mm (L x W x H), 30 mm (hole distance). Contents: 8 half-round glass clamps. 16 screws. Note: 1. Since measurements are taken by hand, the sizes indicated may vary by 0-0.5 cm. Thank you for your understanding. 2. Depending on the brightness and light settings of the monitors, the color of the actual item may be slightly different from the pictures. 3. Please make sure to install it on a straight horizontal surface.