Triangular Scale Ruler, 30cm 6 Scales Aluminium Plastic Ruler Architect for Students, Draftsman, Architects and Engineers

【Material】: 12 Inch Metric Triangular Scale Ruler. Made from plastic and aluminum alloy. 【Cost-effective】：Three Sides With Six Different Scales. 【Color】: Silver/Gold/Black 30CM Ruler 【Multi-Usage】: These triangular multi-scale rulers are ideal for architects, draughtsmen, students and artists. Ideal For Professional Applications, Architecture, Engineering, And Technical Drawing. 【What You Get】: 1x Triangular Scale Ruler, Manufacturer: SENRISE