These round aluminum discs are suitable for glass furniture, coffee tables, TV cabinets, and other glass furniture connection and decoration accessories, etc.SpecificationMaterial: AluminumThread Hole Size: M6*1.0Disc Diameter: 20mm / 0.79";Thickness: 7mm / 0.28";Package List: 4 Pcs x Aluminum DiscAdvantageMade of aluminum material in silver color, corrosion resistant and rust free, finely crafted with rounded corners, stable and delicate.InstructionThe surface of the aluminum alloy circle disc is polished, beautiful, simple to install, and convenient to use.Note:  The size is measured by hand, please allow +/-0.2 inch error.