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HELIX TRIANGULAR SCALE RULER 30CM 300MM
HELIX TRIANGULAR SCALE RULER 30CM 300MM

HELIX TRIANGULAR SCALE RULER 30CM 300MM

$19.99
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Code:792523123532
This Triangular Scale Rule is a stylish rule suitable for architects. The Helix 30cm triangular scale rule has colour coded sides with markings of 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. Scale rulers are used by architects and engineers to calculate dimension in a blue print or building plan without the use of time-consuming and complicated math equations. The ruler would be ideal for use in the office or at home.
Price: $19.99
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