Multi-functional machine, it can be used to sharpen the outer corner of the drill bit, the inner corner of the drill bit, the impact drill bit, drill the stainless steel added with cutter chopper sharpening functions Adopting the diamond grinding wheel, accurate grinding, can help improve your work efficiency save effort Equipped with three drill bit brackets corresponding to the drill model, easier more accurate grinding This multi- drill bit sharpener is a practical tool for sharpening drill bits quickly easily, efficient convenient, easy to carry Multi-functional design, it is compact, does not take up space, is fast labor-saving to use, easy to store transport, requires no special skills or knowledge Name:Drill Bits SharpenerType:with 4 grinding wheelsPlease note:There is a slight color difference or discrepancy in kind, please don't mind, thank you!Colour:OrangeMaterial:PlasticPackage Contents:1 Drill Bits Sharpener3 grinding blocks4 grinding wheelsOnly the above package content, other products are not included Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is 1-3cm