Quote Originally Posted by SharpMan View Post
Alex, not maxim, but I think Maxim means that the abrasive in jnats is the same size, but the hardness
determines how fine the end result is. Like with arkansas stones, the abrasive is the same
size for all of them, but the hardest arkansas stones give the best finish.

Sharpman

It seems a bit of a generalisation tho. A very hard stone can still leave a scratchy finish.