Wusthof’s Classic 10 inch Honing Steel with Triple Riveted Handle will certainly put an edge back on your favourite chef’s knives knives. You should know that honing differs from sharpening, simply because it re-aligns the blade whereas sharpening removes material from the blade – diminishing it over time. Use a honing steel on your knives after every hour of use and use sharpening more sparingly. The contoured handle ensures a comfortable, secure grip. Hardness level is 65 Rockwell – Triple riveted for durability – Contoured handle for secure grip.