Made by Michio Katsuo of Suwa, Shinshu. Purchased as carpentry tools, specifically for shrine carpentry. Used about twice and carefully stored. Shinshu Suwa Michio Katsuo Ryoba Nokogiri (Double-edged Saw) This item is from around 1975, so there are some scratches and rust. 270mm, 9 sun. The teeth have been set, so you can use it immediately. Thank you.