Koutetsu Chromax RO Boss Santoku 160mm

Experience Effortless Precision in a Chromax Stainless Santoku

The Koutetsu Chromax RO Boss Santoku 160mm is crafted by Takayuki Shibata in Fukuyama, Japan - a blade that combines the edge-holding performance of high-hardness Chromax steel with the low-maintenance appeal of stainless cladding. A compact, agile santoku built for cooks who want genuine Japanese craft without the reactive steel upkeep.

The Specs

• Steel: Chromax stainless steel core, stainless steel cladding (sanmai)
• Finish: Migaki (polished)
• Hardness: 63-64 HRC
• Blade length: 160mm
• Weight: 350g
• Handle: Rosewood with pakkawood ferrule
• Origin: Fukuyama, Japan

The Santoku

Koutetsu knives are designed by Takayuki Shibata - one of Japan's foremost knife sharpeners and craftsmen - with an uncompromising focus on thinness behind the edge and exceptional cutting geometry. The Chromax RO Boss series uses Chromax stainless steel, a high-hardness stainless alloy that achieves 63-64 HRC without the reactive nature of carbon steel. The sanmai construction wraps the hard Chromax core in stainless cladding, protecting the blade flats and making the knife easy to maintain. The migaki polished finish gives the blade a refined, clean aesthetic. The santoku - meaning "three virtues" - excels at slicing, dicing, and mincing across vegetables, fish, and meat. At 160mm it is a compact, nimble blade suited to both home and professional kitchens.

Care & Maintenance

• Hand wash only - never dishwasher
• Dry immediately after use
• Hone regularly with a ceramic or fine honing rod to maintain the edge
• Sharpen with a whetstone to restore the edge
• Do not cut frozen food or bones - the edge may chip
• Store on a magnetic strip or in a knife block to protect the edge