Tajima Equal Thickness Curved Ruler (Wide Curved Ruler) Same Size 30cm KA-HM3 1 Piece

Catalog number: KA-HM3 Features: ●The corners are not thick, so marking is easy. ●Large, clear scale numbers are used. ●Strength has been increased by TIG welding. ●Thick, wide ironworking ruler. Uses: ●For construction curved rulers. Specifications: ●Long side (mm): 320 ●Short side (mm): 165 ●Width (mm): 20 ●Thickness (mm): 2 ●Scale specifications: Front: 30 cm in two centimeter steps; Back: 30 cm in two centimeter steps ●Length tolerance: ±0.2 mm in centimeter steps, ±0.4 mm in shaku equivalent scale ●Straightness: Not to exceed ±0.1 mm at 100 mm ●Internal and external base points ●Name space included Material/Finish: ●Stainless steel Caution: ●This product is electrically conductive. Be careful of electric shock.