Features： 1、MAIN PURPOSES: The sharpener is mainly used for drill bit grinding and polishing, ensuring high drilling efficiency and extending the life of the drill bit. 2、EASY OPERATION: The drill sharpening tool has a compact structure and is often used together with an electric drill to keep the drill bit incisive and practical. 3、GRINDING WHEEL: Using corundum grinding wheel, high hardness, rust and wear resistant, self centering point, no need for auxiliary center drilling or punching. 4、OTHER PARTS: Equipped with wrench, the operation is more convenient, put on the cover after use, which can provide good protection. 5、PORTABLE DESIGN: The drill bit sharpener has ABS shell, which is lightweight and wear resistant, easy to operate and carry, and can be used anytime and anywhere. Specification： Item Type: Portable Drill Sharpener Material: ABS plastic shell, corundum grinding wheel Applicable Drill Bits: 5/64-13/64in (2.0-5.0mm), 7/32-21/64in (5.0-8.0mm), 11/32-1/2in (8.0-12.5mm) Package List： 2 x Sharpener (Orange and Blue) 1 x Wrench 2 x Sharpener Cover (Orange and Blue)