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a naturally abrasive material of high density
Boride Stones may have the following minor defects:
Belgian Blue Whetstones should be used with water
It is naturally lapped to ultra-fine grit
Both the straight edge and the sharpening stone should be dry during the test
precise knife straight edge 8 a naturally abrasive material ofPrecise Knife Straight Edge is a simple tool to test the flatness of the sharpening stone by a light slit. The Straight Edge has a two sided bevel in the shape of a knife. The Straight Edge provides a level of accuracy far greater than that of a conventional metal ruler. The Straight Edge is made of stainless steel of high hardness (at least 61 HRC) and is equipped with a heat insulating holder. Specification Product size: 198 x 28 mm Materials: