Total length 9.3 inches (235 mm), width 0.8 inches (20 mm), 1.9 oz (55 g), All Forged Hagane. Made with the highest quality forged peel, this is a harder original cutting knife that will cut the way you sharpen. Made by Solingen Hardder, the oldest manufacturer Most tools that require sharpness are made of steel (carbon steel). Hagane will rust, but it has excellent cutting as a tool. Please accept returns due to rusting reasons. When not in use, please apply mechanical oil or other oil to store it. Solingen F. Harder #8216-23.50 Single blade