20
Perfect for technical drawings. Coloured grooves for easy identification. Supplied in a hard plastic storage case. Material: polystyrene. Metric markings. Scale: 1:1 1:20:25:50:75:125. Length: 30cm.
Perfect for technical drawings. Coloured grooves for easy identification. Supplied in a hard plastic storage case. Material: polystyrene. Metric markings. Scale: 1:1 1:20:25:50:75:125. Length: 30cm.