Drawing & Tools Staedtler Rulers | Drafting | Accessories | Staedtler Navigational Protractor 5″ X 5″

The Staedtler-Mars Limited Navigational Protractor With Black Markings Is Primarily Used For Measuring Line Direction An A Chart. It Can Also Be Used To Draw A Line At A Given Bearing, As A Parallel Rule Or As A Station Pointer. A Valuable Tool For The Environmental Scientist Who Has To Draw And Interpret Maps On A Continual BasiS.</P