Shinwa Sokutei Square Same Corner Markings on Reverse Classic JIS 10652 Ruler, Thickness, Silver, 30cm, Side,

Product dimensions (mm): 320mm x 160mm x 1.4mm Product weight (g): 56g Package dimensions (mm): 340mm x 180mm x 5mm Package weight (g): 70g specification: Accuracy: ●Perpendicularity: 0.1 mm or less per 100 mm ●Length tolerance: ±0.2 mm or less Scale markings: ●Long arm: Outer scale 30 cm, Inner scale 25 cm ●Short arm: Outer scale 15 cm, Inner scale 10 cm Reverse side scale: Long arm: Outer scale square markings, Inner scale round markings; Short arm: Outer scale 15cm markings; Markings: JIS mark; Red numbers; Shape: Same thickness; Material: Stainless steel Caution: Do not use in places where there is a risk of coming into contact with electricity.