Feature:1. Simple to use, just place the blunt blade on the sharpening slot and sharpen the knife in a few seconds.2. The ergonomic handle make this sharpener is suitable for both righthanded and lefthanded users.3. An antiskid pad is added at the bottom to strengthen the friction with the desktop, so that the sharpener is not easy to slide.4. With special scissors for sharpening holes, clamp the sharpening edge with scissors and pull back and repeat several times.5. Multifunctional sharpener, 4in1 hole position, 6level adjustable angle, easy to deal with various tools.Specification:Item Type: Knife SharpenerMaterial: Emery + Tungsten Steel + Ceramic + ABS + TPRWeight: Approx. 328g/11.6ozProduct Size: Approx. 7 x 4.7 x 29cm/2.8 x 1.9 x 11.4inColor: Black and Red14-16: Suitable for small knives/ paring knives16-18: Suitable for Chinese chef's knife20: Suitable for kitchen knives22: Suitable for kitchen knives/ multi-purpose knives24: Suitable for cleavers.Package List:1 x Knife SharpenerNote:1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Pull back in one direction, not push and pull back and forth. Pulling back and forth may damage the knife and shorten the service life of the sharpener. Not suitable for ceramic knives, serrated knives.