Made from professional grade carborundum, it is , heat-resistant. The edges and corners are clearly demarcated.It can quickly sharpen dull or with just a few pulls. It is perfect for finishing and polishing the edge. Non-slip base holds the sharpening stone securely in place will never have to worry about the whetstone slipping off counter. Necessary for both professional and home users to sharpen a . Feature - ColorAssorted Color - Material: Carborundum. - Size: 18 x 6 x 2.8cm - Made from professional grade carborundum, it is , heat-resistant. The edges and corners are clearly demarcated. - It can quickly sharpen dull or with just a few pulls. It is perfect for finishing and polishing the edge. - Non-slip base holds the sharpening stone securely in place will never have to worry about the whetstone slipping off counter. - Necessary for both professional and home users to sharpen a . Package list: 1 x Combination Grit Double Sided Honing Sharpener Sharpening Stone Whetstone(Blue and White)