Pacific Arc's Scholastic Triangle - 14 Inch - Fluorescent - 30/60 Angle - Polystyrene - Inking Edge - Technical Drawing Tools, Drafting, Architect

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Stylo 12" Aluminum Architect Scale Ruler Laser Etched Triangle Drafting Ruler, Color Coded Grooves For Blueprint, Drafting And Drawing,

Alumicolor Aluminum 12 Inch Calibrated Drafting Triangle, 30/60/90 Degree

ALVIN - Smoke-Tint Acrylic Triangle Ruler, Multipurpose Tool For Drafting, Design, And Architecture, Great For Machining And Woodworking (12" 30/60

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

STAEDTLER Stainless Steel Math Set - With 12in Ruler, 2 Triangle Set Squares (45/90° & 30/60°), 6in Protractor - Precision Drawing & Drafting

Ludwig Precision 12" 45-90-Degree Aluminum Drafting Triangle, 83112,Silver

Zonon 1 Set Plastic Geometry Math Set Includes Drawing Compass, 6 And 4 Inch Protractor, 45/60 Degree Triangle Rulers 12 And 6 Inch Math Ruler

Zotemo 5 Pcs Metal Geometry Set, Math Drafting Ruler Kit- Aluminum Triangle Rulers, Protractor, 8 Inch And 6 Inch Drawing Ruler, Measuring Tool For