*KeyFeatures *High-precision Sharpening: VEVOR MR-20G drill bits sharpener excels at sharpening point angle and lip relief angle. It features 18 elastic collets - 3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 suitable for ф3-ф20 diameter of drill bits. Plus, we also provide 2 drill bits collet chucks for your secure 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 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-20G Rated Power: 120W Running Speed: 4500 RPM Applicable Drill Bit Diameter: ф3-ф20mm Adjustable Point Angle: 95° - 135° Item Material: 45# Steel Net Weight: 20.1 lbs / 9.1kg Product Dimensions: 11.4'' x 5.7'' x 6.3'' / 290 x 145 x 160 mm ******************************************************************************************************* *Pakcage Content 18 x Collets 1 x CBN Grinding Wheel (pre-installed) 1 x SDC Grinding Wheel 1 x M4 Hex Wrench 1 x M2.5 Hex Wrench 1 x Collet Chuck (3-13) 1 x Collet Chuck (14-20)