Mr. Pen- Professional Geometry Set, 15 pcs, Geometry Kit for Artists and Students, Geometry Set, Metal Rulers and Compasses, Drawing Tools, Drafting Supplies, Drafting Set, Drafting Tools and Kits

Mr. Pen- Professional Geometry Set, 15 pcs, Geometry Kit for Artists and Students, Geometry Set, Metal Rulers and Compasses, Drawing Tools, Drafting Supplies, Drafting Set, Drafting Tools and Kits

Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Ruler for Blueprint, Triangle Drafting Metal Architecture

12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | for Architect and Civil Engineer Blueprints | Standard Metal Ruler Included