(Only one left. Restocking takes time—we waited two years)
Ittosai Kotetsu wa-gyuto 240mm is a Japanese chef’s knife from Sakai, Japan. Featuring Aogami #1 core steel, known for its high hardness and excellent edge retention, with reactive iron-clad damascus, this knife benefits from Tanaka-san’s renowned heat treatment, which optimizes the steel’s balance of hardness, toughness, and sharpenability.
Hand-forged in Sakai, Japan by Yoshikazu Tanaka
Sharpened by Shuji Yamaguchi
228mm (8.98") cutting edge length
Aogami #1 core steel at ~64 HRC
Reactive iron-clad damascus develops a protective patina over time
Overall length: 383mm Blade length - heel to tip: 228mm (8.98") Blade height at heel: 50.4mm Spine thickness • at the handle: 3.4mm • at the heel: 2.9mm • midway: 2.1mm • 1cm from the tip: 0.8mm Weight: 175g Edge/bevel: 50:50 Handle: octagonal magnolia with horn ferrule Hand orientation: ambidextrous Saya/ sheath: Not included
⎯ Notes: a. For the care and maintenance of Japanese kitchen knives, such as this Tanaka damascus gyuto knife, please refer to our care guide below. b. Slight measurement variations are common in Japanese kitchen knives. c. Small surface finish variations in knives are a normal part of the handcrafting process.
Shipping & Returns
• Worldwide shipping from Tokyo via EMS/DHL • Ships within 24-48 hours • Online tracking included • 30-day returns on unused items Details
Care Guide
• Use whetstones for sharpening • Use wooden or rubber cutting boards • Keep clean and dry to prevent rust • Avoid cutting bones or frozen foods • Hand wash only - no dishwasher View Care Guide