Usage Tips:Make your old, dull drill bits look like 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 eliminate the need for center drilling or punching, increasing usability and service life. This ensures a wide range of usability, making it an essential tool for a wide range of drilling tasks. Small and portable: This lightweight and compact sharpener is designed for 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 for 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 for professional resharpening services, 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.