Zakuri 240mm Blue Super Migaki Wa-Gyuto (Ebony Handle) D-Shaped Handle As these knives are carbon

As these knives are carbon steel

so there may be some visible scratch pattern

and this is an evolution of that line

work the high spots down by rubbing those areas in a circular motion

Zakuri 240mm Blue Super Migaki Wa-Gyuto (Ebony Handle) D-Shaped Handle As these knives are carbonProduct Description Detailed Specs Measurements This Zakuri 240mm Blue Super Wa Gyuto is a special order knife with an ebony handle (horn color may vary). The Blue Super edge takes a very sharp edge and holds it for quite some time. Blue Super is designed for excellent edge retention, and thought it doesn't get as sharp as white #2, take a very nice edge still. This knife is not stainless will patina with use. If not cared for properly, it may rust.