Kanetsune Nakiri-Sm. 135mm With Plywood handle KC-315 800 Series Knives are a little smaller types than regular Santoku and Nakiri. BLADE STEEL : Takefu Shiro2 High carbon steel / SUS410 Stainless Steel HRC : 59 or more BLADE LENGTH : 135mm (5.31") HANDLE : Brown colored Plywood w/Stainless steel bolster