Kairen Katana Knife

Meet Kairen — Project Introduction

A Japanese katana-inspired fixed blade, built around one simple idea: combine traditional Japanese craftsmanship with modern knife performance.

At its core is a VG10 stainless steel blade, designed with cutting-focused geometry, strong edge retention, good corrosion resistance, and carefully controlled heat treatment.

Around that performance-focused blade, we added details inspired by traditional Japanese swords — a tiny tsuba, subtle bo-hi, genuine samegawa, a real wood handle, full-tang construction, and hand assembly.

The result is a knife that doesn't just look Japanese. It is made to cut, made to be used, and made with materials that give it real character.

Product Specifications:
Overall Length: 29.4 cm / 11.57 in
Blade Length: 17 cm / 6.69 in
Handle Length: 12 cm / 4.72 in
Blade Width: 2.8 cm / 1.10 in at widest point
Blade Material: VG10 Stainless Steel
Hardness: 60 HRC
Construction: Full Tang
Handle Material: Real Wood
Handle Material: Genuine Samegawa 
Guard / Tsuba: Brass
Other Fittings: 420 Stainless Steel
Weight: 230g / 0.5 lbs