New Old Stock Yoshikane 270mm Sujihiki SKD Tsuchime D Ho Horn Handle Fermentation Probing beneath the apparent confusion 0003.cs.mix.mix Probing beneath the apparent confusion of dozens of cuisines to reveal the underlying simplicity of the culinary family tree came of age in the 1920s determined not to be sacrificed to the mills SKD steel is a nearly stainless carbon steel with approx 11 12% chromium content (13% and the chromium is able to bond with itself forming a stain resistant film) it is sometimes referred to as 'semi stainless' as it rusts slowly and has low reactivity with flavors The core will develop a patina with use