Adopting the grinding wheel, accurate grinding, and can help improve your work efficiency and save effort. Equipped with three drill bit brackets corresponding to the drill model, easier and more accurate grinding. This multi-purpose drill bit sharpener is a practical tool for sharpening drill bits quickly and easily, efficient and convenient, and easy to carry. Multi-functional machine, it can be used to sharpen the outer corner of the drill bit, the inner corner of the drill bit, the impact drill bit, and drill the stainless steel. And added with cutter and chopper sharpening functions. Multi-functional design, it is and compact, does not take up space, is fast and labor-saving to use, easy to store and transport, and requires no special skills or knowledge., Manufacturer: Jnchdghwa