[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 ]Forget the of trying to find the by hand or accidentally tapering the edge of your tools. the utilization of drill , solve the troubles you have been buying drill , save time and save money. [ and Efficient]Compact and portable drill grinding tool, Use this drill bit sharpening tool with your power drill to keep sharp and for use. [Material]Made of high- ABS plastic and pink corundum grinding wheel,high hardness, rustproof, solid and durable,it can grind iron drill bit very , 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 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 . Other high-hardness drill are not suitable for use, and the loss will be relatively . Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.