Off white dimensionally stable plastic ruler. Precision divisions are numbered both ways. Dimension markings are in metric for easier working. Two coloured flutings. Scales: 1: 10, 1: 20, 1:25, 1: 50, 1: 75, 1: 100, 1: 125, 1: 200, 1: 250, 1: 500, 1: 750, 1: 1250.