Set Square- Protractor 45/177

These 45 degree set squares are a must have tool for engineering and technical drawing used to draw accurate angles and lines. They are perfect for basic technical drawing and, ideal for school or college. These set squares have a high rate transparency allowing you to see the drawing medium below the template for easy positioning. Made from transparent, grey plastic. Featuring raised edges for ink drawing, metric scale and vertical divisions, and protractor graduations. May be used as a ruler, a protractor and a drawing set square. 45/113, 45/177