This product is easy to use, with a blade length of 165mm, shorter than professional deba knives. I've heard it was manufactured in Niigata or Tosa, but I don't have the specifics. It's a one-of-a-kind item, forged by fire, not press-made. The handle is made of Japanese oak, with an easy-to-grip chestnut shape. It has been stored in a warehouse for a long time, so please understand that there may be rust or scratches.