Shinwa Sokutei 70777 A-10 JIS Certified 10cm/3.9 Inch Precision Triangle Scale - Perfect for Drafting, Engineering & DIY Projects

Product Description

Convenient scale for geographical surveys and each floor plan. Triangular scale used for drawing and reading dimensions; Convenient scale for geographical surveys and horizontal plans. Product Size: Length: 4.7 inches (120 mm), Width: 0.6 inches (16 mm), Height: 0.6 inches (16 mm); Product Weight: 0.3 oz (9 g); Package Size: 8.9 inches (225 mm); Width: 2.8 inches (70 mm); Package Weight: 1.1 oz (30 g); Material: ABS resin; Scale: 1/1/1/1/1/1/1/4000000 Line length allowance Difference; Above 0 0.2 inches (6 mm) or below: +-0.05 mm; Exceeds 6 mm; Less than 0.09 mm; Exceeds 50 mm; Less than 50 mm; +-0.18 mm; Exceeds 120 mm; Less than 250 mm; Note: Incorrectly scaled Please do not use.