Usage Tips:Material: Drills bit sharpener is made of plastic, which is strong and wear resistant, not easy to deform, and has a long service life Drill bracket: Angle grinder attachment, high reliability and performance, can directly replace old or damaged parts High performance: Professional grinder drills bit sharpener, strong and stable, with grooves of various sizes, improve your work efficiency, suitable for long term use Easy to install: The sharpening tool is easy to use, and can stably fix the grinder drill bit during the grinding process, allowing you to easily grind different types of grinder drill bits, suitable for long term use Easy to carry: Grinding bit holder, compact structure, very suitable for carrying and storage. Suitable for grinder drill bits and angle grinders of various specifications