Brand new, unopened. SHAPTON M5 Series Blue Medium Grit Stone 1500 A medium grit stone that sharpens quickly and deforms less. Stone dimensions: 210x70x20 (the abrasive layer is approximately 5mm) ■ For sharpening all kinds of blades Chisels, planes, scissors, carving knives Japanese knives, Western knives, Chinese knives, soba noodle knives, cake knives Leather knives, cutter knives, hunting knives, camping knives Machine blades, cemented carbide blades Stainless steel, hardened steel, high-speed steel, and others