Made of grinding wheel, wear-, there are 3 kinds of drill bit holders, which can be used to grind different drill bits. This electric drill grinder has high volume strength and high hardness grinding wheel Provides faster sharpening speed and convenience, improves work efficiency and saves . It is compact, driven by an electric drill, and supports multi-tasking including working modules. Drill bit sharpening sharpener is suitable for all types of drill bits such as HSS, carbide, drill bits and cobalt drill bits, Weight: 0.35935348706 pounds, Manufacturer: Tuidzljd