Features Sanding Disc: with corundum grinding wheel, high hardness, rust and wear resistant, self-centering tip, no additional centering drilling or punching required. MAIN PURPOSES The sharpener is mainly used for grinding and polishing drill bits to ensure high drilling efficiency and extend the life of the drill. Easy to use: the drill sharpening tool has a compact structure and is often used together with an electric drill to keep the drill sharp and practical. Portable design: the drill sharpener has an ABS shell, which is lightweight and wear-resistant, easy to use and carry, and can be used anytime and anywhere. Other parts: equipped with wrench and bearing clips, the operation is more convenient, put on the cover after use, which can provide good protection. Specification: Item Type:Portable Drill Sharpener Material: ABS plastic shell, corundum grinding wheel Applicable drills: 5/64-13/64 inch (2.0-5.0 mm), 7/32-21/64 inch (5.0-8.0 mm), 11/32-1/2 inch (8.0-12.5 mm)< p> Package list: 2 x sharpeners (orange and blue). 1 x wrench. 2 x sharpener covers (orange and blue). 2 x bearing clip. Small note: There is a small error in size. Package List 2 x Sharpener (Orange and Blue) 1 x Wrench 2 x Sharpener Cover (Orange and Blue)