Kotetsu Tsuchime Blue #2 Santoku 170mm

The Kotetsu Tsuchime Blue #2 is an excellent introduction to Japanese kitchen knives, offering impressive cutting performance at an approachable price. Made in Seki City, Japan, this knife is designed for cooks who want a noticeable step up in sharpness and feel without moving into fragile or high-maintenance territory. The balanced profile and moderate weight make it comfortable and confidence-inspiring for everyday prep.

The blade features an Aogami 2 Blue Paper steel core, known for strong edge retention, clean cutting feel, and easy sharpening. Stainless steel cladding adds durability and reduces maintenance, while the hammered tsuchime finish helps with food release and gives the knife a classic handmade look. This combination delivers excellent performance, long edge life, and reliability that will surprise anyone new to Japanese knives.

Care Instructions: Hand wash only and dry immediately after use. Do not leave the knife wet or store it in a sheath or saya while damp. Avoid cutting hard or frozen foods. Use a wooden or soft synthetic cutting board.

Maker: Kotetsu Hamono (formerly Minamoto Kotetsu Hamono)

Location: Seki City, Japan

Construction: Roll Forged, San Mai

Edge Steel: Aogami 2 Blue Paper Steel

HRC: 61 +-

Cladding: Stainless Steel

Finish: Tsuchime Hammered

Edge Grind: Even, 50-50

Handle: Black Walnut Western

Engraving: Stamped Kanji

Weight: 5.1 oz (144 g)

Blade Length: 171 mm

Total Length: 297 mm

Spine Thickness at Base: 2 mm

Blade Height: 47 mm