HIGH QUALITY MATERIALS: The blade of this sharpener is made of selected tungsten steel, with high hardness, wear resistance, good strength, toughness and heat resistance.The body is made of ABS, and the bottom suction cup is made of PVC, which is durable and solid. CONVENIENT DESIGN: This knife sharpener adopts V-shaped angle design, which can fit the knife body perfectly.There is strong PVC suction cup at the bottom.When you sharpen the knife, it will not slip easily. QUICK: If you want the blade to get sharp, you only need 1 minute to achieve it; you just need to use a sharpener to sharpen the knife 3-4 times, it saves you a lot time. LIGHT AND COMPACT SHAPE: this product weighs only 53g, small and exquisite, the size is 6.1 * 6.5cm, it will not occupy your space at all, it is a good helper in your kitchen. HOW TO USE: Hold down the sharpener, then pull the lever down to make the suction cup adsorb on the flat surface; place the blade vertically on the sharpener and pull the knife back, repeat 3-4 times This product is suitable for kitchen knives, boning knives, fruit knives Product description Material: tungsten steel & ABS & PVC Color: green Dimension: 6.1 * 6.5 cm The compact sharpener with a V-shaped angle is suitable for kitchen knives, knives for removing bones, fruit knives and can be sharpened in a minute Please note: This sharpener is not suitable for serrated knives and scissors; In general, we recommend that you use it once a week; Do not sharpen the knife back and forth on the sharpener, but rub it in the direction of the arrow; do not use excessive force when sharpening the knife, so as not to damage the blade; After grinding, please clean and keep dry; Please clean the tungsten steel blade with a brush to keep it clean; Do not put the sharpener in the dishwasher or come into contact with water.