Feature: 1. Ideal Tool: The oblique head drill is manufactured from high speed steel and is designed for drilling holes in wood, plastics and metal. Their tips are designed to drill threads in holes and create internal threads that accept matching external threads, making them ideal cutting tools. 2. Multi Size: The drills are available in a wide selection of sizes, covering a range from very small to very large, ensuring you can make a accurate choice depending on the size of the hole and type of material required. The drills are designed with a hex shank for versatility and a firmer grip. 3. Versatile: High speed steel drill bits are suitable for threading a wide range of materials, sharpened and no burrs, with a polished surfaces to make the threads smoother and able to reduce friction during the cutting process. 4. Material: Made of high speed steel, hardened and fully ground to make sure the sharper tenons. High durability, not easy to deform, excellent performance in all conditions of use, providing a lasting and stable experience for your work. 5. User Friendly: Designed for hand drilling, the tenon bit is user friendly and versatile. The tip design facilitates quick and easy cutting, suitable for all kinds of metal parts with HRC less than 30 degrees, which not only ensures the practicability of use, but also improves the working efficiency and convenience. Specification: Item Type: Eccentric Twist Drill Bit Material: High speed steel Size: Type: Approx. 6mm / 0.24in, Overall Length: Approx. 97mm / 3.82in, Working Length: Approx. 44mm / 1.73in, Shank Diameter: Approx. 6.35mm / 0.25in Type: Approx. 8mm / 0.31in, Overall Length: Approx. 114mm / 4.49in, Working Length: Approx. 60mm / 2.362in, Shank Diameter: Approx. 6.35mm / 0.25in Type: Approx. 10mm / 0.39in, Overall Length: Approx. 116mm / 4.57in, Working Length: Approx. 69mm / 2.717in, Shank Diameter: Approx. 6.35mm / 0.25in Type: Approx. 12mm / 0.47in, Overall Length: Approx. 121mm / 4.76in, Working Length: Approx. 70mm / 2.756in, Shank Diameter: Approx. 6.35mm / 0.25in. Package List: 8 x Twist Drill Bits