We are very grateful and accept the advice of all customers to improve sales. If you are not satisfied, please contact our customer service department for the solution.Grinding (wet and dry) by powder alloy hot pressing, sharp, no chipping, long life, high hardness, wear resistance, and excellent impact resistance, having slotted small, high sharpness, etc.Specifications:Material: AlloyShank Diameter: 3mmHandle length: 35mmSize and Quantity:1 x D16 mm1 x D18 mm2 x D20 mm2 x D22 mm2 x D25 mm1 x D30 mm1 x D40 mmPackage Included:1Set (10pcs) x Cutting DiscDear customers, there are so many products in this shop, you can choose your favorite products here. We will provide you with quality products and services. If you have any questions about the product, please contact us in time.