Fangrui Product Details 1. High Precision Sharpening: Our Power Drill Bit Sharpener Is Designed To Provide Precise Sharpening For 1/8inch- 15/32inch(3-12mm) Twist Drill Bits. With Its Advanced Grinding Mechanism, It Ensures Accurate And Consistent Sharpening Every Time. 2. Versatile Compatibility: This Sharpener Is Specifically Designed For Twist Drill Bits, Making It A Tool For Professionals And Diy Enthusiasts Alike. It Can Sharpen A Wide Range Of Bit Sizes, From 1/8inch To 15/32inch, Providing Versatility And Convenience. 3. Easy To Use: Our Drill Bit Sharpener Machine Simplifies The Sharpening Process With Its User-friendly Design. Simply Insert The Drill Bit Into The Appropriate Slot, Adjust The Angle, And Let The Machine Do Its Magic. It Takes The Hassle Out Of Manual Sharpening And Saves You Time And Effort. 4. And Efficient: Built With High-quality Materials, Our Drill Bit Sharpener Grinder Is And Built To Last. The Grinding Wheel Is Designed For Long-lasting Performance, Ensuring That You Can Sharpen Your Drill