- Versatile Compatibility: This drill bit sharpener is designed to accommodate a wide range of bit sizes, including 2-4 mm, 4-8 mm, and 8-16 mm. It effectively sharpens high-speed steel, masonry, carbide, cobalt, and tin drill bits, ensuring your tools remain in optimal condition. - Efficient Sharpening: Equipped with three grinding holders and two high-quality grinding wheels, this sharpener delivers quick and precise sharpening. Restore your drill bits' cutting edges in no time, saving you time and effort on your projects. - Portable and Compact: The portable design allows for easy transportation and use wherever needed. Whether you are working in your garage, workshop, or on-site, this drill bit sharpener is a convenient addition to your toolkit. - User-Friendly Operation: With its straightforward design, this drill bit sharpener is suitable for both professionals and DIY enthusiasts. Keep your drill bits sharp and efficient with minimal effort, improving your drilling accuracy and productivity. Use Scenarios: 1. Revitalize your worn-out drills in a home workshop for various DIY projects. 2. Ensure your construction or renovation work proceeds smoothly by sharpening drill bits on-site. 3. Maintain high-performance tool kits in automotive shops by keeping drill bits in peak condition.