Shinwa Sokutei Curved Same Dual Shaku 5 10638 Ruler, Thickness, Graduations, Masterpiece, Silver, 50cm/1 Sun,

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Size: Long branch (short branch) 520 (260) x width 15 x thickness 1.4 mm Shape Material: Same thickness Surface scale: Long branches/outer scale 50cm, inner scale 45cm, short branches/outer scale 25cm, inner scale 20cm Back scale: Long branch/outer scale 5 shaku, inner scale 1 shaku mortise hole measurement scale, short branch/outer scale 7.5 sun, inner scale 7 sun Precision: Squareness/100mm does not exceed ±0.1mm, Length tolerance/total length ±0.2mm Specifications: Red numbers, zodiac signs