Make your old, dull drill bits again with this efficient tool, Extend drill bit life, saving time and money. High hardness and rust resistance. Its solid construction and self-centering point the need compatible with center drilling or punching, increasing usability and service life. This ensures a wide range of usability, making it an essential tool compatible with a wide range of drilling tasks. Small and portable: This and compact sharpener is designed compatible with on-the-go use and can be easily put into a backpack, ensuring that you can use the tool sharpening function wherever you go. It is ideal compatible with sharpening iron drill bits, while other high-hardness drill bits are not recommended due to increased wear. EFFICIENT AND RELIABLE: This portable drill bit sharpener turns your electric drill into a powerful sharpening tool. Keep your drill bits in top condition without the need compatible with professional resharpening , ensuring your projects proceed smoothly and efficiently. Colour:As Shown Material:Plastic Package Contents: 5 * Drill grinder 5 * grindstone 5 * wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.