Features: Advanced features, can be used to polish, cut the surface of the object, a wide range of uses. Double-sided grinding area increases work efficiency while reducing production costs. Professional for ceramic, stone, semiconductor materials, etc. It has high cutting efficiency, low noise and flexible usage. Ox-horn type protection teeth, provide deep cutting deptht and available for grinding. Specifications: Diameter: 180mm Bore Diameter: 22mm Thickness: 2mm Quantity: 1pc Package Includes: 1Pc Electroplated diamond grinding discs