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.
Shinwa Japanese #19 Stainless Steel Protractor 0-180 Degrees with Round Head
SHINWA 150mm Pied à coulisse 0,05 mm 19899 - Osaka Tools
SHINWA 150mm moulage gauge ruler profile form contour 77970 Made
SHINWA Arc Scale Ruler Profile Gauge Arc 300mm Shoe Plate Gauge
SHINWA Équerre de menuisier 62009 Japon japonais outil - Osaka Tools
SHINWA fausse équerre de 150mm 250mm 62596 62598 - Osaka Tools
Easily mold in any shape. A rustless stainless steel needle is used. It can be used to remove corners of carpets and rugs, and to mold the curved
Shinwa Sokutei Molding Gauge 300mm B 77971 (Japan Import)
Shinwa Japanese #19 Stainless Steel Protractor 0-180 degrees with
SHINWA Arc Scale Ruler Profile Gauge Arc 300mm Shoe Plate Gauge