HELIX OXFORD TRIANGULAR SCALE RULER 300MM
- Colour coded sides
- Red - 1:100, 1:200, 1:5, 1:50
- Blue - 1:2, 1:20, 1:10, 1:1
- Green - 1:1250, 1:2500, 1:500, 1:1000
Product code K93011