Features Poly Tapered Design: The Diamond Sand Diamond Bottom is a pour cone design, which aims to enlarge, shape, or the existing holes in round porcelain in shape, or chamfers, which can meet the needs. Various Materials: Oblique angle can be used for granite, marble, tiles and many other materials, useful and practical. Used for Opening: This diagonal angle can be used on glass, stones, ceramics, ceramic tiles and other materials, which is very convenient. Practical Tools: Point cone is a practical tool, because there is only one standard refueling drill and the finger drill, you can create many holes of different sizes. 15mm Round Handle: The pointed cone drill is a round handle with a diameter of the calves of 15mm. The hole diameter is less than or equal to 50mm, the hole depth is less than or equal to 48mm Specification: Item Type: Beveling Chamfer Bit Material: Emery Opening Diameter: ≤ Approx. 50mm / 1.97in Opening Hole Depth: ≤ Approx. 48mm / 1.89in Shank Diameter Specification: Approx. 15mm / 0.59in Shank Type: Round shank Package List: 1 x Beveling Chamfer Bit Note: Pay attention to the correct operation. Package List 1 x Beveling Chamfer Bit