Angle Grinder Accessory: Sharpen your 312mm drill bits with this compatible tool for angle grinders, offering quick setup and precise grinding to maintain edges for cleaner holes and improved drilling efficiency while traveling. Versatile Compatibility: Designed for general use with various angle grinders, this portable grinding tool fits bits from 3mm to 12mm, making it suitable for DIY and professional tasks to extend bit lifespan and reduce effort. Grinding: Engineered with plastic construction in green, black, and yellow colors, it guarantees accurate sharpening for drill auxiliary tools, bits stay for consistent performance. UserFriendly Design: Featuring an intuitive mechanism with a size of 13*6.9cm, this sharpener allows for easy adjustments and operation by users of all skill levels, avoiding common sharpening errors for reliable results. Use scenarios: Onsite projects: Quickly refresh worn drill bits during fieldwork to maintain edge quality and ensure cleaner holes while traveling. DIY and home projects: Extend bit lifespan and reduce effort for tasks such as drilling into wood and metal. Professional workshop maintenance: Regular sharpening to keep multiple bits performing consistently and efficiently.