1Good Compatibility: This drill bit grinding sharpener set is designed to be compatible with a wide range of electric drills, ensuring that you can use it with virtually any machine without any compatibility issues. Its high level of adaptability makes it a versatile tool for any workshop or construction site. 2Replaceable Grinding Disc: The ability to replace grinding discs adds to the versatility of this sharpener. By being able to switch to diamond grinding discs easily, you can achieve more accurate sharpening for various materials and projects. The convenient back cover design allows for quick and effortless replacement of discs, saving you time and effort. 3High Efficiency: With the ability to sharpen a bit in just 5 seconds, you can quickly restore and enhance the sharpness of your drill bits, ensuring a consistent and efficient drilling performance. 4Easy To Use: There is no need for complex and specialized equipment to sharpen your drill bits. This electric twist drill bit grinder tool offers a simple and user friendly installation process, making it accessible to both professionals and handcraft enthusiasts. You can easily sharpen your bits anytime, anywhere. 5Wide Application: This drill machine blade sharpening tool has a wide range of applications, it can be used for woodworking, metal processing, building construction, automotive repair, crafts making, very practical. 1 xDrillBitSharpener 3 x Auxiliary Tools 10 x Diamond Grinding Discs