Shinwa #19 Round Head Stainless Steel Protractor
Made by Shinwa Measuring Tools Corporation of Japan. Head and arm made from stainless steel. Depth of reach is 6" with overall length of 8". Head measures 3.5" x 2. Gradations are deeply photo etched and black filled for easy readability.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov