Tojiro Santoku 170mm F-517 Tojiro work knife series, have increased the quality while meeting the stringent requirements as for many years business The small environmental load in black laminated handle type, start the adoption of ECO Wood excellent durability strongly to contraction Tojiro continue to further evolve wearing the environmental performance Material Material: blade portion: powder high-speed steel (powder high-speed steel), 13 chromium stainless steel, the handle portion: black laminated reinforced wood (ECO Wood) Country of origin: Japan