The KC-100 series from Kanetsune is constructed with Black wood handles and the steel is comprised of 33-layer Damascus with a VG-10 core. This is the 80mm Petty knife, the paring knife equivalent in western knives. It is great for detail work or trimming. Heat-treated to an HRC of 60-61, this steel is known for having excellent edge retention. Knife weighs 80g and is 1.8mm thick at the spine above the heel.