EASY-TO-USE SHARPENER: Portable diamond knife sharpener. The diamond-coated surface sharpens tools faster than traditional stones. The portable foldable design can be put in a pocket or tool bag for easy storage and carrying. Foldable knife sharpener: A foldable knife sharpener is a must-have tool for camping or in the kitchen. The kitchen knife sharpener allows you to better use kitchen utensils and maximize their efficiency. The diamond steel knife sharpener is convenient for cutting vegetables. Intimate design knife sharpener: The concave-convex design at the end of the handle of the outdoor double-sided manual knife sharpener prevents the handle from being misplaced during use and avoids bending your fingers. Diamond knife sharpener can prevent hand injuries Foldable knife sharpener: The fan-shaped and foldable structure of the portable diamond knife sharpener provides excellent protection to prevent damage. Diamond pocket knife sharpener Small ultra-thin knife sharpener for easy, efficient, and precise knife sharpening and polishing Various colors of sharpeners: The double-sided sharpener is available in orange. The sharpener is also available in a lightweight 12.5 cm/4.9 inch size, so you can choose according to your preferences