Efficient grinding - Equipped with three grinding holders and two high-quality grinding wheels for fast, precise sharpening. Restore the cutting edge of your drill bits quickly and save time and effort on your projects. Portable and compact - Compact design for easy transport and use wherever you need it. Suitable for the garage, workshop, or on site, making this drill bit sharpener a convenient addition to your toolkit. Versatile compatibility - Designed to handle a wide range of bit sizes: 2-4 mm, 4-8 mm, 8-16 mm. Perfect for sharpening high speed steel, masonry, carbide, cobalt and tin drill bits to keep your tools in tip condition. Sturdy construction - Built with robust materials for durability. Withstands regular use and maintains performance over time to keep your drill bits sharp again and again. Practical use scenarios - On site maintenance: sharpen drill bits quickly at the job site to prevent work stoppages. - Workshop projects: keep bits sharp during metalworking or woodworking tasks to improve cutting quality. - Home improvement: refresh dull bits during DIY renovations to complete tasks efficiently.