4 Stone Naniwa S2 Advance Super Stone Set Professional Machine There are two sets of

There are two sets of holes on the sharpener

Stage 1 - Electric Coarse Diamond for fast initial sharpening

The buttons' round shape

Of course not

3-1/8" is a pretty short stone

4 Stone Naniwa S2 Advance Super Stone Set Professional Machine There are two sets ofThe Naniwa S2 Advance Super Stone is here and we've put together a few money saving sets with our best selling grits. 4 Stone Naniwa S2 Advance Super Stone Set This set contains 4 matched stones starting with the coarse 220 and finishing with the extremely fine 10000 grit. This set is a great value and a nice matched set for most knives and tools. The 10000 grits stone leaves the edge smooth and polished. Set Includes: 220 grit Naniwa S2 Advance Super