Art supplies for making commemorative plaques​ Helix Scale Rule Triangular 30cm K93x40

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Helix 30cm k93x40 triangular scale ruler with 12 scales, ideal for professional use.

Triangular scales featured:

1:1, 1:10, 1:2, 1:20, 1:5, 1:50, 1:100, 1:200, 1:500, 1:1000, 1:1250, 1:2500 multicoloured ideal for professional use.