Absolutely stunning workmanship and attention to detail.Traditional hand forge kobuse wrapped method (San Mai).Ha 57 HRC (edge hardness).Mun 40 HRC (back and core hardness).High-manganese carbon steel wrapped 1060 high carbon steel core.Hamon and hardness created with clay temper process.Real hamon, not wire brushed or printed.Real ray skin wrapped grip with black cotton cord wrap.Hardwood scabbard with high quality piano paint finish.Extremely sharp hand honed edge.Thick brass tsuba, fuchi, and kashira.41.5 in. overall, 29.5 in. blade, 11 in. handle.