Rotring Triangular Reduction Scale Engineer Plastic Fluted DIN ISO 5455 in CM and MM Ref S0236961 - 191749

White dimensionally stable plastic The precision divisions are numerated both ways Dimension markings in (cm) and (m) for easier working With 2 coloured flutings Engineer/DIN ISO 5455 Scales: 5:1 2:1 1:1 1:2 1:5 1:10 1:20 1:50 1:100 1:500 - 191749