Safe-t protractor

Safe-t protractor Shatter resistant plastic protractor has rounded corners and tapered edges. Slotted separation eliminates confusion of supplementary angles and is perfect for artists, students, designers and all craftsmen. It``s actually two protractors in one, with the lower scale reading right-opening angles (<), while the upper scale reading left-opening angles (>). Scales are 6" for the outer edge and 10 cm. for the inside edge. Protractor is orange, so it won``t get lost on your desk. Degree Graduations: NA; Material(s): NA; Ruler Size: 6 in Ruler Edge; Color(s): Orange.