Length tolerance: ±0.2mm. Perpendicularity: Less than 0.1mm per 100mm. Material: Stainless steel. Product weight: 88g. 1 ~ 4 weeks.
Archives
Square ruler, same thickness, silver, 1 shaku/30 cm, dual scale, 10649
Front Scale: Long branch: Outer scale 1 shaku, Inner scale 7 sun / Short branch: Outer scale 5 sun, Inner scale 3 sun. Back Scale: Long branch: Outer scale 30 cm, Inner scale 20 cm / Short branch: Outer scale 15 cm, Inner scale 10 cm.