300mm Precision Triangular Scale Surveyor Scale Ruler

– Triangular plastic rule featuring high grade print and 3 colour coded faces Metric and scale graduations – 12 Scales featured: 1:1, 1:10, 1:2, 1:20, 1:5, 1:50, 1:100, 1:200, 1:500, 1:1000, 1:1250, 1:2500 – Side 1 – 1:500 & 1:1000 – Side 2 – 1:1250 & 1:1500 – Side 3 – 1:2000 & 1:2500 – Concave base to reduce smearing when drawing – Made from shatter-pr00f white ABS plastic