To ensure that your knives stay beautifully sharp the IKON 10" Double Bolster Steel should be used regularly. Over time, knives will deteriorate and lose their edge. Honing re-aligns the microscopic teeth in the blade that can’t be seen with the naked eye. By regularly honing your knives, you will maximize the time in between sharpening.Features:Crafted from a single piece of high-carbon stainless steel.Triple-riveted full tang provides strength & control.Double bolsters provide balance & allow honing along the entire length of the blade.Tempered to 58 degrees on the Rockwell hardness scale.African Blackwood handle designed for comfort & beauty.Covered by the Wusthof Limited Lifetime Warranty.Made in Germany.Hand-wash only.Weight: 0.87 lbs.