HIGH QUALITY MATERIALS: The blade of this sharpener is made of selected tungsten steel, offering high hardness, wear resistance, good strength, toughness, and heat resistance. The body is constructed from ABS, and the bottom suction cup is made of PVC, ensuring durability and stability. CONVENIENT DESIGN: This knife sharpener features a V-shaped angle design that fits the knife blade perfectly. The strong PVC suction cup on the bottom provides secure attachment to flat surfaces, preventing slipping during use. QUICK SHARPENING: Achieve a sharp edge in approximately one minute by pulling the knife through the sharpener 3-4 times. This efficient process helps save time in the kitchen. LIGHT AND COMPACT: Weighing only 53g and measuring 6.1 x 6.5 cm, this sharpener is small and lightweight, designed to save space and be easily stored. HOW TO USE: Press down on the sharpener to activate the suction cup on a flat surface. Place the blade vertically into the sharpener and pull the knife backward through the slot. Repeat 3-4 times for optimal results. This sharpener is suitable for kitchen knives, boning knives, and fruit knives. Product Details: Material: Tungsten steel, ABS, PVC Color: Green Dimensions: 6.1 x 6.5 cm The compact design with a V-shaped slot allows quick sharpening of compatible knives in about one minute. Note: - Not suitable for serrated knives or scissors. - Recommended for use once a week. - Sharpen in a single direction following the arrow indication; avoid back-and-forth motion. - Do not apply excessive force to prevent blade damage. - Clean the sharpener after use and keep it dry. - Use a brush to clean the tungsten steel blade. - Do not place in the dishwasher or submerge in water.