Knife and Scissors Sharpener features a 3-stage system for easy use: 1) Use the first stage to repair and straighten damaged blades; 2) The second stage helps form the knife's V-edge; 3) The third stage provides a clean, polished edge. 4) The fourth stage is designed for scissorsopen the blades and pull through as you would with a knife. Compared to other knife sharpeners, our base is made of high-quality silicone instead of cheap rubber, ensuring no slipping or shaking during use. The rubber hanging ring allows for convenient storagehang it anywhere. The 4-stage sharpener includes an ergonomic thumb rest for increased stability, allowing you to keep your hand steady and comfortable during sharpening. Suitable for both right- and left-handed users. This professional knife sharpener requires no special skills to use. Crafted from durable ABS plastic and stainless steel, it is built to last. Our sharpener has passed a 3,000-use durability test. With 5 knives sharpened once a week, it can last up to 11 years. Color: Black Material: Stainless steel Size: 22.5 x 10.5 x 4.5 cm Package Contents: 1 x Knife Sharpener Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.