Features 1、Compact and Portable Design: This drill bit sharpener is compact and easy to carry, suitable for travel or on site work, ensuring your tools are always incisive. 2、Robust Construction for Longevity: Made from plastic, this drill bit sharpener offers excellent anti aging and insulation, maintaining its shape and reliability even in demanding environments. 3、User Friendly: This sharpener requires no special skills. Secure it to a grinder, adjust the angle, and sharpen effortlessly. 4、Extend Drill Bit Lifespan: With customized grooves for various sizes, this innovative attachment revitalizes dull bits by restoring sharpness, significantly enhancing tool efficiency and performance. 5、Versatile Application: Suitable for a wide range of drill bits, including HSS, carbide, and cobalt bits, this sharpener seamlessly integrates with grinders for professional sharpening results. Specification Item Type: Drill Bit Sharpener Material: ABS Application: for Angle Grinder Compatible with: Diameter 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 Package List 1 x Drill Bit Sharpener 1 x Screwdriver