Sharpeners & Steels - Diamonds are the world's hardest substance and best sharpening abrasive. Dull knives can be sharpened easily and in just a few strokes with this steel coated in industrial diamonds. Simply guide the blade with light pressure across the steel in an arching motion, side-to-side. Repeat this process 6 - 8 times and voila! Your knife will be sharp as new. Dishwasher-safe. Made in Solingen, Germany. - Sharpening steel is 10" long (15 1/2" w/handle and hanging loop).