Miyabi 5000MCD Sujihiki filé knife makes it easy to fillet fish like a pro. The knife's long blade allows you to easily slide between the meat and the skin and the sharp edge lets you cut through the fish as if it were butter. Miyabi produces incredibly high-quality knives in Seki, Japan. This knife has a blade developed in FC61-grade steel, which makes the steel razor-sharp. This is a knife for the sushi professional!