Product Description Size: 23.5 x 7.5 x 4.5cm Product Weight: 247G Color: gray black, gray red Precautions: 1. Solemnly declare that this knife sharpener is not suitable for serrated knives. 2. When sharpening the knife, do not use too much force or grind back and forth to avoid damaging the blade. 3. The ceramic stick and metal blade inside the sharpener may have dirt, which is normal. 4. Do not put the sharpener in the dishwasher or in water, keep it dry and clean 5. Please be careful and use our sharpener appropriately in daily use. Knife Prospector gives you 4 multiple choices. 2 levels of tungsten steel for scissors and coarse sharpening, diamond level for fine sharpening, ceramic stone level for precision sharpening. Knife sharpener bottom has non-slip rubber bases that prevent 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 difficult to use like classic knife sharpener, but also easy to use 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, only in the direction of the arrow.