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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