Product description Color: gray black, gray red Precautions: 1. Solemnly declare that this knife sharpener is not suitable for serrated knives. 2. Do not use too much force when sharpening the knife and do not grind back and forth to avoid damaging the blade. 3. The ceramic rod and the metal blade in the sharpener can be contaminated, which is normal. 4. Do not put the sharpener in the dishwasher or in water, but keep it dry and clean 5. Please be careful and use our sharpener appropriately in daily use 1. New design: With 4 levels knife sharpener you can easily and professionally sharpen blunt knives. Knife extractor gives you 4 different options. 2 tungsten steel steps for scissors and coarse sharpening, diamond step for fine sharpening, ceramic stone step for precision sharpening. 2. Environmental protection and safety: Non-slip rubber base and ergonomic handle please give you a good cooking experience. The bottom of the knife sharpener has non-slip rubber bases that prevent it from slipping during use. You could use the knife sharpener with confidence. 3. Easy to use and save space: You can easily grasp and use the knife sharpener with the ergonomic handle. Small and practical, easy to use. This kitchen helper is not like traditional knife shepherds, difficult to use, but can also be operated well with one hand. 4. Professional knife sharpener: Our helper is not suitable for sharpening serrated knives or ceramic knives, but for fruit knives, kitchen knives, cleavers, scissors etc. In addition, please do not pull your knives back and forth, but always only in the direction of the arrow.