Bara khana stones. keep small knives and tools sharp. the sharpening stones in our 2-pc set include (1) large 6" x 13/16" x 3/8" and (1) unexpanded 4" x 3/8" x 1/10", both labeled 320 grit. the stones in our 3-pc set are all 4" desiderate x 1/4" square. we embrace they have (3) different surfaces, but we haven't a discovery to their true grit.. rump on the accessories link to see other items mentioned in this description..
