Art Alternatives 4-Piece Combo Geometry Set with 12 inch Ruler

Art Alternatives Geometry Set, 12" Ruler, 4 pieces. Perfect for students and professionals alike, this geometry set contains a 180° protractor, 45° and 60° triangles and a 12" ruler. The rulers and triangles all have inch and centimeter calibrations for all your measuring needs, and have a clear construction that allows you to see the material you are working with.