*KeyFeatures *High-precision Sharpening: VEVOR 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 3-13 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. ******************************************************************************************************* *Specifications Item Model Number: MR-13B Rated Power: 120W Running Speed: 4500 RPM Applicable Drill Bit Diameter: 3-13mm Adjustable Point Angle: 95 - 135 Item Material: 45# Steel Net Weight: 19.0 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