Scale Triangular Ruler Triangle Scale 1: 25/250/2500, 1: 50/500, 1: 100/1000, 1: 150/1500, 1: 200/2000, 1: 125/1250, 30cm Long for Architects Landscape Architect Engineer

Scale Triangular Ruler Triangle Scale 1: 25/250/2500, 1: 50/500, 1: 100/1000, 1: 150/1500, 1: 200/2000, 1: 125/1250, 30cm Long for Architects Landscape Architect Engineer

Architectural Scale Ruler, Aluminum Triangular Scale Ruler Metric 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 Standard 12 Inch for Architects, Students, Draftsman and Engineers-Black

30cm Triangular Scale Ruler, SZXMDKH Metal Ruler for Architects, 1:20, 1:25, 1:50, 1:75, 1:100, 1:150 (Copper)