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 right‑handed and left‑handed users. 3. An anti‑skid 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, 4‑in‑1 hole position, 6‑level adjustable angle, easy to deal with various tools. Specification: Item Type: Knife Sharpener Material: Emery + Tungsten Steel + Ceramic + ABS + TPR Weight: Approx. 328g/11.6oz Product Size: Approx. 7 x 4.7 x 29cm/2.8 x 1.9 x 11.4in Color: Black and Red 14-16: Suitable for small knives/ paring knives 16-18: Suitable for Chinese chef's knife 20: Suitable for kitchen knives 22: Suitable for kitchen knives/ multi-purpose knives 24: Suitable for cleavers . Package List: 1 x Knife Sharpener Note: 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.