*KeyFeatures *High-precision Sharpening: VEVOR MR-13A 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. Accurate, stable, and easy to use. *Adjustable Point Angle: Our drill bits grinder sharpener provides 95° to 135° point angle adjustment, ensuring precise coordination with drill hole material and rotation speed. *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 bit 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. ******************************************************************************************************* *Specifications Item Model Number: MR-13A Rated Power: 120W Running Speed: 4500 RPM Applicable Drill Bit Diameter: ф3-ф13mm Adjustable Point Angle: 95° - 135° Item Material: 45# Steel Net Weight: 19 lbs / 8.6 kg Product Dimensions: 11.2'' x 5.3'' x 6.3'' / 285 x 135 x 160 mm ******************************************************************************************************* *Pakcage Content 11 x Collets 1 x CBN Grinding Wheel (pre-installed) 1 x SDC Grinding Wheel 1 x M4 Hex Wrench 1 x Collet Chuck (3-13) 1 x M2.5 Hex Wrench