Alternative Marijuana

Resin Bonded CBN Stones from Practical Sharpening – sharpening K390

YouTube video

This is a review of Resin Bonded CBN Stones from Practical Sharpening. The size of the stones is 1/6 inch. There’s discussion on what the stones are, how they are used and how they perform. The video also documents sharpening K390 with the stones.

Practical Sharpening can be found online here /

Alternative Marijuana