Metal Scale Ruler, 2PCS Aluminium Triangular Scale Ruler Metric for Architects
LASER ETCHED: The markings on scale ruler are laser etched for perfect definition. Very quick and easy to read without making any errors. Six rulers in each one: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 / 1:100, 1:200, 1:250, 1:300, 1:400, 1:500.