Shinwa Sokutei Curved wide same size on both inner scale end face reference point JIS silver 50cm 10034 (Shinwa Sokutei) length, pita, sides,

Country of manufacture: Japan Specifications: Accuracy/squareness: 0.1mm or less per 100mm Length tolerance: ±0.2mm or less Size: Long branch (short branch) 520 (260) x width 20 x thickness 1.0mm