Mr. Pen Architectural Scale Ruler, 12" Plastic Architect Scale

Rena Chris 2PCS Architectural Scale Ruler: 12" Imperial Aluminum Triangular Scale Ruler, Laser-Etched Architecture Ruler, Drafting & Architect Ruler

Pacific Arc Architectural Scale Ruler, 6" Scale Ruler For Architectural Designs, Engineering, Or Drafting

Mr. Pen Architectural Triangular Ruler Set With 12 Inch Triangular Scale, 11 Inch 30/60 And 8 Inch 45/90 Triangles

Alumicolor Architect 6 Inch Ruler Scale W/ 4 Bevel Design For Drawing, Drafting & Engineering, Calibrations Divided By (1/8, 1/4), (1/2, 1), (3/8, 3/4

12-Inch Architectural And Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | For Architect And Civil Engineer

STAEDTLER Professional Triangular Scale Ruler - 12in Metal Architectural Scale With High-Contrast Etched Markings, 6 Imperial Scales For Drafting &

Staedtler 12-Inches Architect Triangular Scale (98719-31BK)