30cm/12" Triangular Aluminium Tri Scale Metal Ruler Architect Engineers Rules ADM

Description Material: Plastic Length: 30cm/12\ Total Length: 32cm/12.6\ 3 Color Coded Sides: Red: 1:250; 1:300 Yellow: 1:400; 1:500 Green: 1:100; 1:200

Features Brand new and high quality. Clearly marked metric graduations. 3 color coded sides, each side with different scales. 6 scales allow precision drawing for architects, engineers and carpenters.

Package Included: 1x Triangular Metric Scale Ruler