I want to make my planes work well, have a bench grinder, and am shopping for water stones. Grizzly has 8 1/8 x 2 1/2 x 1 3/8 stones in 800, 1000, 1200, 6000, and 8000 grit. Also looking at their honing guide for 8.95 the stones run from 16.95 to 36.95 each, the highest priced with pedestal. Was hoping someone would tell me what grits I need. Jim