The Whetstone Combo 1000/3000 from Satake is a double-sided whetstone with 1000 grit on one side and 3000 grit on the other, perfect for getting a basic sharpness and top sharpness on your knives. The stone is color coded to easily show which grit you are working with. The package includes a storage box that acts as a sanding support, a planing stone to smooth the sanding surfaces, and a pad to keep the work area clean. The lid of the box can be used to soak the stone. Clear instructions in English with illustrations included.