Search:

Nope. There are some naturals that are lower grit - coticules come to mind. On another forum some talk about a rare, gifted coti they describe in the 15k range, but the better jnats & thuris are...

Hee hee hee. And you thought RAD was bad. :) FWIW, 8 blades later, and I'm loving the new rock. None of this 100+ blades to get to know a new natural. No soaking, no slurry, no repeated lapping....