Sakai Takayuki Aonikou Blue-2 Carbon Steel Utility/Petty Knife, 150mm (5.9") Kitchen Tools the S1- are the thin

the S1- are the thin ones

The finish is kuro-uchi (black) with a lacquer coating -- this helps protect the steel and should not be polished off

and an important tool in the kit of any working chef

and do NOT leave them soaking in water while you use other stones

use the hone regularly and you'll keep the edge in good shape for a LONG time before you need to think about doing any serious true re-sharpening or real grinding and refinishing of the edge

Sakai Takayuki Aonikou Blue-2 Carbon Steel Utility/Petty Knife, 150mm (5.9") Kitchen Tools the S1- are the thinA perfect companion to a chef's knife or santoku. A petty knife is what the Japanese call our "utility" or "paring" knives. If you already own a small utility knife or just don't find that you use them much, and if you want something that can be more versatile and used like a small slicer or "sandwich knife", then this is the perfect length (it's long enough to be used like a small chef's knife or slicer really). It's a superb example of a knife made