ISO NORM 2 Academy Architects Surveyors Triangular Scale Rule 12 Inch (300mm)

• Triangular Academy scale rule
• Accurate and clear 
• Quality, cost effective material  
• Colour co-ordinated scales in ten dividings
• Ideal for educational purposes

12" (300mm) Dividings: 1:100 x 1:200  1:500 x 1:1000  1:2000 x 1:10 000