The comprehensive Gatco Edgemate Knife Sharpening System offers chefs, handymen, sportsmen and woodcarvers everything they need to put a professional, razor sharp edge on all kitchen, sport and utility cutlery. Works with all kitchen, sport and utility cutlery. Gatco engineered knife clampangle guide holds knife securely to ensure correct blade to stone contact for sharpening efficiency. Coarse, medium and fine sharpening honing stone. Scientifically formulated honing oil. Custom carrying case with instructions permanently affixed to the lid.