
Starting December 15, 2025, we are proud to introduce an unparalleled warranty service exclusively for our CPM3V Products. Should the blade crack or break under reasonable, normal usage conditions (excluding malicious damage or unconventional destructive testing), we will provide a full replacement with a brand-new CPM3V powder steel blade—matching the original size and featuring the same fundamental zukuri grind—completely free of charge. This represents an unprecedented guarantee in the high-performance knife industry.
We utilize a spectrometer to verify the authenticity of each batch of steel, and employ a microhardness tester for precise measurements of the heat treatment hardness of every blade batch. This significantly enhances the stability of our quality control (QC) processes.



















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<Koshirae>
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■Tsuba:Iron
■F&K:Cupronickel
■Menuki:Cupronickel
■Seppa:Copper
■Habaki:Copper
■Tsuka:Haichi Style
■Tsuka Samegawa:Black Real Rayskin
■Tsuka Ito:Silk imported from Japan (Tsumami Maki)
■Mukugi:1
■Kurikata Shitodome:Cupronickel
■Saya Style:High Hardness Piano Paint
■Sageo:Thickened Sageo
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<Blade>
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■Nagasa:71CM
■Motohaba:3.2CM
■Motokasane:0.7CM
■Sakihaba:2.4CM
■Sakikasane:0.4CM
■Sori:About 1.5CM
■Tsuka Length:26CM
■Bohi:
■Material:
■Yokote:
■Hamon Style:
■Blade Style:
■Heat Treatment: Clay Temper
■Weight with/without Saya :1333g/1083g
Warning:The data is just for reference because the handmade products’s data has error.
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<Polishing>
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■Polishing:Sashikomi Polishing/Super Mirror Polishing
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