Multipurpose knife, blade length 17.7cm, 169g. The spine is about 2.0mm thick near the top of the heel. This is a Japanese Nihonbashi Kiya warikomi knife, and the sandwiched steel is a high-quality stainless steel called powdered high-speed steel. Powdered steel is a steel material called SPG2 from Takefu Special Steel in Fukui, and it is a steel material that is formed by compressing and molding uniformly refined carbides using powder metallurgy. It is the strongest stainless steel with a hardness of 64-66, exceeding the hardness of Yasugi Steel Blue Paper No. 1 (63-65). Although it's an older model, the original price was undoubtedly over 30,000 yen. Please check the photos carefully as there are some thin marks and small scratches on the soft iron sides. The handle doesn't show much wear and tear and seems like it can still be used for a while. It has been thoroughly sharpened, the blade has been set, and it has been polished. Please see my profile for detailed restoration processes.