Exclusively made with Genuine Damascus Vg-10 Steel From Takefu Special Steel, HRC 60-62 hardness. Thunder-V Series Japanese VG-10 Damascus Steel Gyuto Chef Knife - 67 Layer True beauty is found in the gleaming Damascus steel with unique Thunder pattern, combined with a sleek Pakkawood handle, and an exceptionally sharp edge. Astonishing Beauty And Design - The Zhen Japanese Gyuto Knife is the favored knife in professional restaurant kitchens.