blade is clay tempered , water quenched(not oil) and hand polished
Fuchi and Kashira Silver 92.5% Fuchi and Kashira are silver in antique finish, with traditional.
Menuki Silver 92.5% Each Menuki set is silver. The actual color differs from the shown images due to the nature of the oxidization process
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11 inchs Tsuka and 2 pegs of mekugi
Blade High carbon Steel Edge Hardness= 60-63 HRC,Body Hardness=30-33 HRC black matt finish saya included with KOIGUCHI(Buffalo horn )