Color: Gray Black, Gray Red Precautions: 1. This knife sharpener is not suitable for serrated knives. 2. Do not use excessive force when sharpening the knife and avoid back-and-forth motions to prevent blade damage. 3. The ceramic rod and metal blade in the sharpener may become contaminated during use, which is normal. 4. Do not place the sharpener in the dishwasher or submerge in water; keep it dry and clean. 5. Use the sharpener carefully and appropriately during daily use. 1. New Design: This 4-stage knife sharpener allows you to easily and professionally sharpen dull knives. Includes four sharpening options: two tungsten steel stages for scissors and coarse sharpening, a diamond stage for fine sharpening, and a ceramic stage for precision sharpening. 2. Safety and Stability: Features a non-slip rubber base and ergonomic handle for secure grip and safe operation. The non-slip base ensures stability during use, providing a safe and comfortable sharpening experience. 3. Compact and User-Friendly: Designed with an ergonomic handle for easy handling and control. Compact and practical, this sharpener is simple to use and saves storage space. Unlike traditional sharpeners that are difficult to operate, this model is easy to use manually. 4. Professional Sharpening: Suitable for sharpening fruit knives, kitchen knives, cleavers, and scissors. Not intended for serrated knives or ceramic knives. Always sharpen in the direction of the arrow; do not pull the knife back and forth. Product from NIUNIU's store