*KeyFeatures *Professional Sharpening: Designed for φ3–15 mm drill bits, MR-13B drill bit sharpener with 13 elastic collets excels at sharpening the point angle and lip relief angle, quickly restoring your bits to optimal sharpness and precision. Two collet chucks are also included *Adjustable Angle: The drill bit grinder offers flexible adjustment for the lip relief angle and 95°–135° adjustable drill point angle. It allows you to grind 4 types of lip relief angles to meet different needs, achieving smoother and more accurate sharpening results *2 Grinding Wheels: Choose between CBN (pre-installed) or SDC grinding wheels for compatibility with different materials, greatly improving grinding precision and efficiency. Paired with the 4600 RPM high-speed motor, it delivers more stable and efficient sharpening *Multi-Functional Use: Specialized in drill bits re-sharpening, this professional grinding sharpening machine keeps your bits sharp and ready for action — whether you're working in a factory, workshop, garage, or on home DIY projects *Portable & Strudy: Lightweight and easy to carry, this drill bit re-sharpener saves space in your workshop and can be transported easily. Crafted from high-quality carbon steel, it features a sturdy, durable structure built to withstand long-term use ******************************************************************************************************* *Specifications Item Model Number: MR-13B Rated Power: 120W Applicable Drill Bit Diameter: ф3-ф15mm Adjustable Point Angle: 95° - 135° Grinding Wheel: CBN (pre-installed) + SDC Grinding Wheel Net Weight: 19.2 lbs / 8.7 kg Product Dimensions: 11.4 x 5.5 x 6.3 inch / 290 x 140 x 160 mm ******************************************************************************************************* *Pakcage Content 13 x Elastic Collets 1 x SDC Grinding Wheel 1 x CBN Grinding Wheel (pre-installed) 1 x M2.5 Allen Wrench 1 x M3 Allen Wrench 1 x Collet Chuck (Φ3-Φ13) 1 x Collet Chuck (Φ14-Φ15)