Maintaining sharpness!When you want to increase sharpness sharply in a "time" situation where you cannot miss a moment's chance!A hook sharpener for fishing hooks that can be used for roughing, finishing, and depending on the type of sharpness, and the shape can effectively sharpen the tip of the sharpness.Sharpening the hooks reduces the coating on the hooks, which significantly reduces the corrosion resistance to rust. Please consider the sharpening work as an emergency response on site.Particle size: #120