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CW9103E / CW9104E
Easy to sharpen with any quality sharpener
Styles both boys and girls will love
smoothness and durability
5 / SUPERGEL-F0
Helix Engineers Scale Ruler Mugs CW9103E / CW9104EK85X10 K85010 This Helix ruler is a stylish scale ruler suitable for architects. The Helix Engineers technical scale ruler has markings of 1: 1, 1: 10, 1: 2, 1: 20, 1: 5, 1: 50, 1: 25, and 1: 250. 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.
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