Mercer Culinary Mercer Genesis Knife Sharpening Steel, 10 Inch M21010, 10-inch, Multicolor Quality Construction: Precision-Forged With High-Carbon German Steel To Help Hone Your Knife Edges And Increase Performance Superior Design: The Finest Handle In Forged Cutlery; Built To Last Ergonomic Handle Offers Comfort And A Non-Slip Grip, Even With Wet Hands Best Use: Keep Your Cutlery Sharp And Operating At Peak Performance. For Best Results, Use Honing Steel As Needed To Maintain Knife Edge Easy Care: To Maximize The Performance And Longevity Of Your Sharpening Steel, Carefully Wash By Hand With Warm Water And Mild Soap; Rinse And Dry Completely With A Soft Towel. Do Not Place In Dishwasher Or Submerge For Long Periods Of Time Mercer Culinary Genesis Series: Never Stop Experimenting In The Kitchen; This Genesis Honing Steel Is Essential In Every Kitchen To Keep Your Knives In Peak Condition