Combination of the most commonly used grits, #1000 and #4000, for restoring blade sharpness and polishing to a fine finish.Includes a multifunctional storage case. The lid is designed to hold water for soaking the whetstone before use, and the base has non-slip feet to provide a steady platform for sharpening. Suitable for sharpening and maintaining all knives, including high-spec blades.Size: L 184 x W 64 x H 25 mmMade in JapanRead through ourShun Blogto find out more information about this top-end brand, how to sharpen their knives with a honing steel and whetstone and the differences between their ranges. See all Chefs ComplementsKai Shun Knives here.