The horizontal displacement range of the blade is 10 mm

but it's not mandatory

Do not soak Shapton Pro stones in water for more than a few seconds

Atoma Diamonds are used for sharpening knives on KME knife sharpeners

washita 1 stone edge pro The horizontal displacement range ofWashita sharpening stones are used for sharpening knives on Hapstone and Edge Pro sharpeners. Washita is the most well known among vintage natural stones. The estimated grit for Washita #1 is 1000 3000 JIS. Washita stones are mounted on high quality aluminum blanks. Washita stones are mined in the Ozark Mountains in the state of Arkansas in the United States. Washita stones consist of silica, but unlike synthetic abrasives, do not consist of