Feature Total length: 33cm Sharpening rod length: 20cm Width: 0.8cm Weight: 170mls How to use 1. Hold the handle of the knife sharpening rod with your left hand and place the knife sharpening rod on a flat table with the knife in your right hand. 2. The blade and the knife sharpening rod are 20-25 degrees, and the knife is gently grounded in an arc, and the tip of the blade is sharpened from the end of the blade. 3. The knife sharpening rod does not move, and the tool is changed to the other side of the knife sharpening rod to sharpening the other side of the blade. When sharpening the knife, it should be alternated on both sides. Under normal circumstances, both sides sharpening 2-3 times will be ok. 4. After sharpening, wipe the knife sharpening rod with a dry cloth. Do not wash with water. Keep dry and ventilated when storing. Notice 1.keep stable when sharpening. 1.kee prevent falling from height when using. 1.keease put the knife sharpener and knife beyond the reach of children to avoid any accidents.