There are 33 layers of the best knife steel to be revealed in this Suminagashi steel after shaping and appropriate etching. Extremely edge-retaining medial layer from VG10 gold steel with a formulation of 1% Carbon, 15% Chromium, 1% Molybdenum, 0.2% Vanadium, 1.5% Cobalt. The outer layers of stainless steel give the blade the typical Suminagashi grain. The forging surface is roughly rolled. Tempering instructions are included.