Ludwig Precision 10" 45-90-Degree Aluminum Drafting Triangle, 83110

Ludwig Precision 10" 45-90-Degree Aluminum Drafting Triangle, 83110

Ludwig Precision 10" 30-60-90-Degree Aluminum Drafting Triangle, 83010

Architectural Scale Ruler, Imperial Measurements 12'', Laser-Etched Aluminum Architect Triangular Ruler Black for Architects, Students, Draftsman, and Engineers by mveohos