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 do not grind back forth to avoid damaging the blade. 3. The ceramic rod 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 clean 5. Please be careful use our sharpener appropriately in daily use 1. New design: With 4 levels knife sharpener you can easily professionally sharpen blunt knives. Knife extractor gives you 4 different options. 2 tungsten steel steps for scissors coarse sharpening, diamond step for fine sharpening, ceramic stone step for precision sharpening. 2. Environmental protection safety: Non-slip rubber base ergonomic hle 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 save space: You can easily grasp use the knife sharpener with the ergonomic hle. Small practical, easy to use. This kitchen helper is not like traditional knife shepherds, difficult to use, but can also be operated well with one h. 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 forth, but always only in the direction of the arrow.