Blundell Harling Academy Triangular Scale Rule Metric 'A' - 12″ / 300mm

Blundell Harling Academy Triangular Scale Rule Metric 'A' provides precise and straightforward measurements on a  quality, cost effective material. It has colour co-ordinated scales in ten dividings, ideal for architects, designers and educational purposes.

• Scales included: 1:1, 1:10×1:2, 1:20, 1:5, 1:50×1:100, 1:200, 1:500, 1:1000×1:1250, 1:2500