Boride Cs Wx Series 6 Stone Boxed Set 6 X 1Boride CS WX Series 6 Stone Boxed Set includes six 6" silicon carbide sharpening stones: F120, F220, F320, F600, F800, and F1200 grit. Compared to the 5 stone set, the 6 stone progression offers smaller grit jumps and smoother scratch pattern transitions throughout the sharpening process. The set comes in a custom Gritomatic storage case 3D printed from Blue Black PLA plastic. Dedicated internal slots keep all six stones separated and protected during