The multi-layer forged steel creates the distinctive wavy 'cloud dragon' pattern while serving a functional purpose: layered construction creates micro-serrations, enhancing cutting performance and food release. Each layer is forge-welded at extreme temperatures, creating a blade simultaneously harder (holds edge longer) and tougher (resists chipping) than single steel allows. The 170mm length is Japan's most popular santoku size. Each knife is individually hand-finished by artisans who have spent decades perfecting their craft. This is a knife you sharpen, maintain, and pass to the next generation.