3M™ Flexible Diamond Whetstone 6223J is a fast cutting and long lasting diamond tool with rubber feet to prevent slippage on smooth surfaces. Our diamond whetstone is designed for easy use, in precision faceting and sharpening cutting tools.Use 3M™ Flexible Diamond Whetstone 6223J for finishing, polishing, blending and deburring. It’s easy to use, fast cutting and long lasting tool, made of micron graded flexible diamond abrasive bond nickel.Our 6223J Whetstone is supplied with rubber feet, to prevent slippage on smooth surfaces. It offers precision faceting and sharpening of cutting tools such as chisels, blades, knives, shears and carbide tools.