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360-Degree Protractor and Compass for Geometry: A must-have drafting and drawing tool, this 360-degree drafter's compass / protractor is calibrated in
Westcott 360-Degree Protractor Compass for Drawing and Drafting, Clear, 3.5 in
2 Piece math set: compass and protractor are great for drawing circle and measuring angle, good for students, teachers, engineers, designers, artists,
EBOOT Student Geometry Math Set, Drawing Compass and 6 Inch Clear Swing Arm Protractors 180 Degree Math Protractor (Argent, Classic)
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