fun little natural stone i will try to post link.
very cool... i got to use one of those and an even larger one while i was training in Japan last year. To see stones that size and larger is just mindblowing.
Jon i wondering if you saw some of these stones
they have just basic stones also.![]()
interestingly enough they use amakusa bricks to make fireplaces in Japan.
ok i need more info on this stuff what grits are they and what speeds can they be run at also how big (can you tell i want one)