sharpening rod is made of carbon steel and plated with premium nickel-chrome, the hardness is up to HRC62 (the general product is HRC56), suitable for more kinds of knives, and easy to process honing. The steel rod fine surface is 40% higher than normal knife sharpener, which prevents blade damage when sharpening and prolonging tool life. Our knife honing rod with strong magnetism to prevent the metal particles generated when the sharpening process from splashing around. Honing process 2 to 3 times before using , then wiping the sharpening rod with a non-woven cloth. Quick, safety and easy to use. The hardness is HRC 621. The honing steel made of carbon steel and plated with nickel-chome through our proprietary chromium plating process, rust-proof. Ergonomic handle that fits all hands, safety for your hands Fit most knives. Not suitable for serrated blade and ceramic knives Quick, safe, and easy to use When a honing steel no longer returns a knife's sharpness, you can try a sharpening steel, such as a ceramic steel or a diamond-coated steel, which removes some metal from the blade, thereby sharpening it. sharpening rod How To Use Your Honing Steel Place the plastic tip of the honing steel on a solid surface. Apply lightly downward pressure to avoid slipping during use. Place heel of your blade at the top of the honing steel at about 20 degree angle. honing from heel to tip and repeat 2 - 3 times, then turn to the other side of until blade is sharp. Clean with water and dry it. Wipe the honing steel with non-woven cloth. Note: 1, Keep stable when honing. 2, The angle between the honing rod and should not be too large, keep at 20 degree angle. Knife Sharpener Dimension We have 2 size honing steel to select, this size: Total length: 44cm/17.32inch Sharpener Length: 12 Inches/30.5cm Handle Length: 5.31 Inches/13.5cm Color: black+silver Material: high carbon steel Package Including: 1 * Knife Sharpener Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.