Shimomura-kogyo Tsunouma Gyutou Chef Knife 270mm (TU-9006) Length: 405mm / Length of a blade: 210mm Thickness: 2.3mm Ken Books / sharpening Hand Finish: Blade material: stainless steel superalloy / molybdenum-vanadium steel Pattern charge: stop tack and tack back three percent this through, strengthening black wood flat pattern, this one with ferrule