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Alvin Professional Triangular Scales

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Architectural Scale
Architectural Scale
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12" Triangle Shaped Professional Quality Scale Ruler for ArchitectsAlvin makes its Architect Triangular Scale from high-impact plastic in a non-reflecting matte finish. 12 inchesProfessional QualitySmooth tapered edgesGraduations are machine-engravedFurrows are color-codedCalibrations: 3/32 and 3/1...

Alvin is a registered trademark.