📐 Elevate your drafting game with precision that lasts!
The Mr. Pen Aluminum Triangular Engineer Scale Ruler is a 30cm, high-impact aluminum drafting tool featuring six color-coded scales from 1:20 to 1:125. Its laser-etched, scratch-proof markings guarantee long-term accuracy, making it an essential instrument for architects and engineers seeking reliable, professional-grade measurement precision.
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