Description:What this grinding disc can offer you is that it consists of many pointed teeth on its surface that can remove residue quickly, helping to improve the efficiency of your work.It is this grinding disc features that has fast cutting speed, high efficiency, and it is easy to operate, which is suitable for many curved work.It is made of high carbon steel, this product is sturdy, and shake-proof.The length of the product is 12.5cm, the width is 12.5cm, and the height is 2cm.It is suitable for cutting gemstone, glass, ceramic, rock, aluminum and copper, etc.Item Name: Grinding DiscMaterial: High Carbon SteelStyle: A(Planar Grinding Disc); B(Serrated Grinding Disc)Features: Stylish, Anti-collision, ShockproofSize Details: 12.5cm x 12.5cm x 2cm/4.92" x 4.92" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension differences due to different manual measurements.Package Includes:1 x Grinding Disc