Feature Easily Increase the Life of Drill Bits: Forget the days of trying to find the correct angle by hand or accidentally tapering the edge of your tools. Improve the utilization of drill bits, solve the troubles you have been buying drill bits, save time and save money. Reliable and Efficient: Compact and portable drill grinding tool, Use this drill bit sharpening tool with your power drill to keep bits sharpen and readys for use. Applicable Type: This diamond-Drill Bit Sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills. Suitable for 212.5mm drills. Sturdy: Made of quality material and brown corundum grinding wheel, High hardness, rustproof, and sturdy, self-centering point, do not need assistant center drilling or center punching. Easy to carry: Portable tools that you can carry around and don't take up space in your backpack. Notice: Actual color may be slightly different from the image due to different light effect Please allow 1-3cm deviation due to manual measurement Description: Size: As picture show Package List: 1 Set Electric Drill Sharpener