DMT Diafold Serrated Knife Sharpener Coarse DMFSKC. This blade Sharpener professional product specialists at DMT also serves as a portable mini-steel gut hook sharpener and conical file. For a superb way to make sure your knife is is ready for any cutting task choose the DMT Diafold Serrated Knife Sharpener Coarse. Package Contents: DMT Diafold Serrated Knife Sharpener Coarse DMT DMFSKC: Diafold Serrated Knife Sharpener Coarse