Extreme Hardness: CBN is second only to diamond in hardness

Ohira Tomae structure consists of fused silica and alumina rounded grains of average size 2-3 microns

Stone holder for 6" stones (148 to 160 mm)

White - very rare type of Tam O'Shanter

And they share the same problems: they damage sharpening stones and they are damaged by sharpening stones

venev sculptor series narrow diamond set 6 x back-in-stock Extreme Hardness: CBN is secondVenev Gemini Series Set "Alfa Sculptor" includes six 6" narrow diamond stones: F80, F150, F240, F400, F800, and F1200. Venev Sculptor Series Diamonds are designed for expert knife sharpening in systems such as Hapstone and TSProf. Diamond sharpening stones provide excellent performance on knives made from any steel. Narrow stones (12 mm wide) are ideal for recurved blades. Sculptor Series features Metal Matrix Composite (MMC) binders. MMC represents a