Maintain your Miyabi blades with the Zwilling Miyabi Toishi Pro 1000 Whetstone. This stone is made from synthetic ceramic and made to provide and maintain your blades at a 1000 grit level, ideal for fine honing and sharpening. Made in Japan. About Zwilling JA Henckels: JA Henckels has been producing the best in German steel knife design since 1895. Their products are designed for everyday use, giving you the maximum value for your money. This modern company uses innovative technology to create the highest-quality products. They're so sure you'll be satisfied with their products that they back each one with a lifetime warranty. With several lines of quality cutlery and other products, you're sure to find the perfect housewarming or wedding gift, or addition to your own kitchen. Constructed from synthetic ceramic whetstone. Provides long-lasting sharpness. Sharpens all knives excluding ceramic. Dimensions: 8.25L x 2.75W x 1H in..