Alumicolor Calibrated Drafting Triangle, Aluminum, 30/60/90 Degree, 6 inch

6” LENGTH - Aluminum drafting triangles are the perfect tool for educational and professional use 30° / 60° / 90° DESIGN - Drafting triangle features holes up to 1" in diameter ALUMINUM CONSTRUCTION - Drafting triangles made from high-quality aluminum for long-term use without cracking or discoloration INCH AND CENTIMETER CALIBRATIONS - Aluminum metal drafting triangles are calibrated in both inches and centimeters for flexibility in professional drafting ALUMICOLOR IS QUALITY - Made with the highest quality extruded aluminum all our measuring tools and triangles have smooth edges and are calibrated to exact specifications