✪ New Upgrade: With double-layer sharpener, it can grind the at multiple angles There will be no melting of the Grindstone due to high temperature during grinding ✪ Easy to Use: The Double Layer Sharpener only takes 10s to install it You only need to install it on your electric drill to use it And it can quickly make old sharper ✪ Wide Application: Using in sharpening tractors, rototillers, drill cutter Fit for most of power drills ✪ Effectively provide your productivity Fast, automatic, easy, safe Easy to use, quick sharpening ✪ The sharpener works for power drill and hand drill, handy and greatly effective The grinding stone of sharpener is and sturdy enough to sharpen your as a new