hi again need to correct my name spelling from above its michael (mike) zinski. glad to see others agree with me. i have been getting 3 disk sets in 6″ like 120 400 1200 and another set 240 600 3000 both sets at $14 each including shipping and getting from china (lapidarytools) 8″ from $12-$15 for grits from 100-1500 and 3000 be careful with the 3000 i have injured one but can still do some wild finish cutting on it, on average about 2 weeks for delivery.