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Helix K93X40 Triangular Scale Ruler, 30 cm The Helix 30cm triangular scale rule has 3 colour coded faces with markingsGALAMAX 
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Scale Ruler Architect, 30cm Triangular Scale Rulers Metal Metric Ruler for Architects Engineers, 1:20, 1:25, 1:50, 1:75, [PREMIUM QUALITY] This engineering triangle scale is made of anodized aluminum alloy, very solid and sturdy. Designed foTenuevo Scale Ruler Architect, 30cm Triangular Scale Rulers Metal Metric Ruler for Architects Engineers, 1:20, 1:25, 1:50, 1:75, [PREMIUM QUALITY] This engineering triangle scale is made of anodized aluminum alloy, very solid and sturdy. Designed foWestcott 
Westcott Triangular Scale (KT-90), 2/pkg TRIANGLE RULER: A set of triangle scales with cut-out center and lightweight design for easy pick up20% Off WINTEX 
WINTEX Triangle Metal Scale Ruler - 30cm - Aluminium Architect & Design Metric Ruler for Architects or Engineers - 1:20, Durable Aluminium Metal Scale Ruler: The Wintex triangular ruler is made of strong and durable aluminium. As a result, tLicccccXin 
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The triangular scale of copy down was born from the voice of the fieldLQ-TT-CY-CX Architectural Scale Ruler, 12'' Imperial Architect Scale, Aluminum Engineer Scale Ruler, Scale Ruler for Blueprints, Met 1 Standard Imperial Size 12-inch imperial architectural scale ruler includes: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4,Leinuosen 6 Pcs Triangular Ruler Set 12 Inch Engineering Scale Aluminum Architect Drafting Ruler Metal Protractor Arquitectura Acc Package includes: 6 pieces in total, which contains 2 12 inches/ 30 cm aluminum triangular rulers, 1 30/ 60 degree trianLeinuosen 6 Pcs Triangular Ruler Set 12 Inch Engineering Scale Aluminum Architect Drafting Ruler Metal Protractor Arquitectura Acc Package includes: 6 pieces in total, which contains 2 12 inches/ 30 cm aluminum triangular rulers, 1 30/ 60 degree trianKENT Kent 403 Triangular Scale Ruler Perfect for students and professionalsTofficu Tofficu High Strength Triangular Scale Ruler 15cm Students Ruler School Supplies Ruler for school:using materials, and , this metric ruler can be used for long term, give you convenience,machinist ruleStylo Stylo Aluminum Architect Scale Ruler - 30cm Triangle Drafting With Color Coded Grooves for Blueprint - Metric Architectu This triangular architect’s ruler is made of solid block of premium quality anodized aluminium, durable and sturdy. 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