[Applicable type] This diamond drill sharpener is mainly used for grinding iron drills, not suitable for other high-hardness drills.[Easily extend the life of the drill] Forget about the days of trying to find the right angle or accidentally cutting the edge of the tool. the utilization rate of drill bits, solve your of buying drill bits, save time and money.[Reliable and efficient] Small and portable drill grinding tool, which can be used with your drill to keep the drill sharp and to .colour: orangeMaterial: corundum grinding + ABSPackage Contents:1 x Orange corundum drill bit sharpener (comes with a grinding )3 x Corundum grinding 1 x wrench1 x small buttonOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.