DMT® folding knife blade sharpeners are easy to use, compact sharpeners for the toolbox, tackle box, home or on–the-go. Folding models are available in a wide range of diamond grits and solve an assortment of sharpening, abrading and honing challenges. All of our folding knife sharpeners are light weight and portable with folding engineered resin handles to protect the diamond surface when not in use. DMT® Folding sharpeners can handle any edge, straight, curved or serrated.