| The F.A. Porsche designed Chroma Type 301 line of cutlery requires the use of a whetstone such as this for honing as a result of the specialized techniques used to create the knife edges. This whestone can be used with other fine quality knives as well. The technique is not difficult to master and many find it easier than using a steel.Overall dimensions 7 7/8" L x 2 3/8" W x 1 1/2" H Non-skid non-scratching base Instructions with diagrams included |