Wicked Edge Precision Knife Sharpeners provide military personnel, law enforcement officers, hunters and knife enthusiasts with sharpening systems that are easy to use and produce spectacular, hair-whittling edges. Wicked Edge Sharpeners use patented dual-sided sharpening technology that allows you to sharpen both sides of your blade at once, while maintaining a constant angle of your choosing. The diamonds we use on our stones are harder than any steel and make light work of the toughest steels out there. Come see the world's best knife sharpener for yourself. (less)