This is a Showa-era slicer knife. Measurements are approximately as follows: Blade length: 390mm (from the heel) Spine thickness: 2.1mm (at the base of the blade) Weight: 207g Blade material: All steel (highest grade) Please check the photos for the current condition. Although unused, it has been stored for a long time. Please consider this before purchasing if you are concerned about the condition. Immediate purchase is OK. Thank you.