This is the Masahiro G series MG-632 Usuba traditional Japanese sushi chef knife made in Seki Japan. The Usuba is the choice accessory vegetable slicer for the sushi chef. The knife is sharpened on one side to form a single bevel edge with a slightly concave flat grind on the opposite side for a more precise and uniform cutting edge. The The 165mm blade (just over 6.5") is made of Masahiro Stainless Steel alloy MBS-26 Chrome-Molybdenum and Vanadium Stainless steel with stabilized black Stamina wood handle. This series was awarded "Good Design" by Japan's M.I.T.I. The knife comes in original gift box. Please note that the original sticker has been removed and is missing.