Accent Stationers

Helix Scale 30cm Ruler

£6.29

The Helix 30cm triangular scale rule has 3 colour coded faces with markings of 1:1, 1:10, 1:2, 1:20, 1:5, 1:50, 1:100, 1:200, 1:500, 1:1000, 1:1250, 1:2500.

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