Staedtler Swing Arm Protractor, Angle Measurement Tool with 6" Ruler, 56854-15BK

Staedtler Swing Arm Protractor, Angle Measurement Tool with 6" Ruler, 56854-15BKThis small protractor is your budding engineer's perfect addition to their geometry tools setOur half circle protractor measures angles from 0 to 180 degrees in increments of half a degree. Because precision mattersIt's a protractor, and an angle drawing tool. The swing arm pinpoints the angle and guides drawing perfectly straight linesIt's a ruler, too! The bottom straight edge is a compact 6 inch ruler. Just the right size for your student's backpackWhether for students, artists or hobbyists, our compact ruler protractor helps bring your ideas to life