DOETYD Geometry Sets with Protractor Square Triangle Ruler Metal Set for Students Office Math 4 PCS

MULTIFUNCTIONAL RULER: This metal ruler set contains a straightedge, a protractor and 2 triangles METAL MATERIAL: Made of aluminum alloy, lightweight but durable, not easy to break, can be used for a long time and easy to carry CLEAR SCALE: The size scale is bright and clear, allowing users to measure and plot accurately and easily HUMANIZED DESIGN: Rounded edges are not sharp, which will not hurt your hands when you use it, providing a comfortable using experience and letting users feel more at ease in drawing and measuring MULTIPLE SCENARIO APPLICATION: This aluminium ruler can draw straight lines and measure angles. Suitable for students, teachers, architects, engineers, artists, draftsmen, etc, Manufacturer: DOETYD