[Application]This diamond Drill Bit Sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills. [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 sharp and ready for use. [Material]Made of high-quality ABS plastic and pink corundum grinding wheel,high hardness, rustproof, solid and durable,it can grind iron drill bit very well, and it is durable and not easy to damage. Specifications: Type: Corundum Drill Bit Sharpener Fit for: 5/64 inch-1/2 inch(2-12.5mm) Iron-based Drill Bits Colour:Blue + orange Material:Plastic + corundum grinding wheel Size:18.5*4cm Package Contents: 2 *Corundum Drill Bit Sharpener(included Grinding Wheel) 2 *Replacement Grinding Wheel 2 *Wrench NOTE:The grinding wheel currently equipped with this product is a brown corundum grinding wheel, so the product is mainly used for grinding iron-type drill bits. Other high-hardness drill bits are not suitable for use, and the loss will be relatively large.