ISO NORM 2 Academy Architects Surveyors Triangular Scale Rule 12″ / 300mm

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

1:100 x 1:200
1:500 x 1:1000
1:2000 x 1:10 000