Triangle Engineering Scale Ruler, White Drafting and Architecture Ruler for Drawing, Planning, and Design, Great Students and Professionals - Carded, 12 Inches

• Engineer Triangular Scale made with 100, 200, 250,300, 400, 500parts to cm
• Multipurpose Scale - Designed for architect, engineer, and mechanical draftsman graduations. Great for students, hobbyists, and professionals alike.
• Durable, Premium Material - Made with a soft, satin finish from high-impact plastic. Edges are tapered for comfort and ease of use.