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, and drill the stainless steel. And added with cutter and chopper sharpening functions. Adopting the diamond grinding wheel, accurate grinding, and can help improve your work efficiency and save effort. Equipped with three drill bit brackets corresponding to the drill model, easier and more accurate grinding. This multi-purpose drill bit sharpener is a practical tool for sharpening drill bits quickly and easily, efficient and convenient, and easy to carry. Multi-functional design, it is and compact, does not take up space, is fast and labor-saving to use, easy to store and transport, and requires no special skills or knowledge. Name:Drill Bits Sharpener Type:with 4 grinding wheels Please note:There is a slight color difference or discrepancy in kind, please don't mind, thank you! Colour:Orange Material:Plastic Package Contents: 3 x Drill Bits Sharpener 9 x grinding blocks 6 x grinding wheels Only the above package content, other products are not included. Note: Light reflection and 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.