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Alvin 240B 12 Inch Architect Triangular Scale Germany and Office Depot Ruler

Architectural Scale Ruler, Imperial Measurements Architect(Aluminum), Black

NEW XDD No. 503 Compass Divider Drawing Set with 12" Triangular Architect Ruler

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Alumicolor Aluminum Architect Color-Coded Solid Drafting Scale, 6IN, Silver,3...

OCM Metric Triangular Engineer Scale Ruler (Proffessional Grade Solid Aluminu...

Architectural Scale Ruler, Imperial Measurements Architect(Aluminum), Black