GRS Tools 003-577 Power Hone Complete Dual Angle Sharpening System 115v/60Hz/1.3 In seconds, you can sharpen gravers and tools WITHOUT HEAT with the GRS Diamond Power Hone It gives a sharper, stronger tool edge that makes brighter cuts, cleaner lines and scrolls, more precise beads and, finer shading Beginners learn proper sharpening in minutes discovering that these accurately sharpened tools are easier to use Professionals can save an hour each day because the Diamond Power Hone is fast, accurate and produces longer lasting tool edges GRS Power Hone uses diamond wheels to sharpen hardened steels, high speed steels and carbides