Features: The surfaces of sharpener is make of Metal materials, safe and enduring, not easy to craters and flatten. With fine resistance to abrasion and corrosions, it can apply with your confidence and easy to maintain. With the proper size and light in weight, convenient to carry and store. Metal plate honing stone can apply to sharpening of household kitchen cutter, sharpening of wood chisels, seal, seal cutting tool and chamfering of glass tiles. Maintenance recommendations: after sharpening do remember to wash Cutter before cutting; In order to get nice result, use with water or honing oil; Do not put the sharpener in the dishwasher or submerges in water. Specifications: Materials: Metal Styles: Coarse Grinding 220.0 Meshes/Medium Grinding 400 Meshes/Fine Grinding 600 Meshes Size: about 162x20mm/6.38x0.79inch Package Includes: 1Pc Sharpening Hone note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.