SPECIFICATIONS Certification: CE DIY Supplies: Metalworking Type: Special Grinding Tools Precise Sharpening, Sharper Bits, Better Results Experience precision with SucceBuy drill bits sharpener! With 95°-135° adjustable point angle, 4 types of lip relief angle, and 11 collets, it ensures accurate sharpening for ф3-ф13 diameters of drill bits. Choose between CBN or SDC grinding wheels for different materials to optimize efficiency. The point angle can be adjusted from 95° to 135°, which can effectively coordinate with the material of drill hole and the rotation speed. Moreover, you can adjust the lip relief angle with the positioner pins, enabling you to grind 4 types of lip relief angles to suit various requirements. Equipped with CBN & SDC grinding wheels to enhance precision and work efficiency: the CBN wheel is ideal for high-speed steel materials, while the SDC wheel excels at grinding alloy tungsten steel materials, expanding the range of applications. Our portable drill bit grinder comes with a powerful DC motor for strong and stable performance. With 4500rpm high-speed rotation, strong torque, long-lasting durability, and minimal noise, this drill bit sharpener machine offers robust support for your sharpening tasks. Easily Sharpen Drill Bits in 3 Simple Steps! Lightweight and user-friendly, our drill bit grinder sharpener is mainly constructed with 45# steel material for improved stability and durability. A professional drill bit collet chuck is also included for added safety during operation. Features & Details High-precision Sharpening: SucceBuy MR-13B drill bits sharpener excels at sharpening point angle and lip relief angle. It features 11 elastic collets - 3,4,5,6,7,8,9,10,11,12,13, suitable for ф3-ф13 diameter of drill bits. Plus, a professional drill bits collet chuck is included for your safe operation. Adjustable Angle: Our drill bits sharpener provides 95° to 135° point angle adjustment, ensuring precise coordination with drill hole material and rotation speed. Moreover, you can also DIY the lip relief angle through the positioner pins, grinding 4 types of lip relief angle to meet different needs. 2 Grinding Wheels, Easy Replacement: Choose between CBN or SDC grinding wheels for compatibility with various materials. The CBN model is suitable for high-speed steel materials, while the SDC model is used to grind alloy tungsten steel materials. Powerful plus Robust: Utilizing a powerful DC motor, our drill bits re-sharpener grinder operates with strong horsepower and torque, running at 4500PRM high speed while maintaining low noise levels. 45# steel material significantly improves stability and longevity. Versatile & Ready for Tasks: This drill bits grinding sharpening machine is specialized in drill bits re-sharpening. Whether you're in a factory, workshop, garage, or tackling DIY projects at home, keep your drill bits sharp and ready for action with ease.