Garosa 4Pcs Glass Cutting Discs for Angle Grinder 4 Inch High Manganese Steel Saw Blade Cutting Wheel Thin Saw Blade Wheel for Ceramic Jadestone Wine Bottle ULTRA THIN DESIGN: These glass cutting discs are ultra thin design, which reduces material loss during cutting and provides a long service life. 4PCS IN 1 SET: Includes 4pcs cutting discs and 4pcs iron rings, easy to install and replace, meeting more cutting and polishing needs. APPLICABLE MATERIAL: These blades are mainly used for cutting glass, jadestone, ceramic tile, wine bottle and other materials, efficient and practical. Specification: Item Type: Cutting Disc Material: High Manganese Steel Diameter: Approx. 10cm / 4in Color: Green PackageList: 4 x Cutting Disc 4 x Iron Rings