300mm Precision Triangular 1=2500 Surveyor Scale Ruler

– Triangular scale rule with high grade print and 3 colour coded faces metric and scale graduations. – 12 Scales featured: – Side 1 – 1:50/1:500 1:250/1:2500 – Side 2 – 1:100/1:1000 1:200/1:2000 – Side 3 – 1:75/1:750 1:125/1:1250 – Concave base to reduce smearing when drawing. – Made from shatter-proof white ABS plastic.