Niigata Seiki SK Made in Japan Aluminum Triangular Scale Kaidan Scale General Use 15cm TSGA-15KD Bronze

Country of origin: Japan Scale scale (m): 1/1 (0-150mm), 1/100, 1/150, 1/200, 1/250, 1/300 Length tolerance 1 (mm): ± 0.06 (50 or less) Length tolerance 2 (mm): ±0.07 (more than 50 and less than 100) Length tolerance 3 (mm): ±0.08 (more than 100 and less than 150)