KME Sharpener Full Chosera Stone Set - 1"x4"x0.25" Custom made by Jende Industries, LLC. Fits the KME Sharpener, but also work well as travel stones and slip stones. 1" x 4" x 6mm Standard KME Sharpener stone size. Uses water only as a lubricant. Adds yet another layer of versatility and screaming sharp edge potential of the KME Sharpener. This complete 8 stone set can handle all aspects of sharpening with a KME Sharpener!