Diamond Drill Bit Sharpening Tool, great quick and easy way to sharpen drill bits. Use your drill to rotate the 100 grit grindstone and simply press the bit against it for a sharp edge. You will have to do this twice for each drill bit for both edges.
Designed for multiple drill bit sizes.
Perfect gift for any handyman.
Easy to use.
Product features: The product is mainly used for grinding iron type drill bits, other high hardness drill bits are not suitable for use.