LUOYAO Triangular Ruler, Large Multi-Size Angle Protractor, Professional Math Geometry Multifunction Set Square Teacher

Material: ABS
Size: As the picture show
Applicable Scenario: Teaching
Weight: 01-261g; 02-261g; 03-197.2g; 04-218.3g; 05-173.6g
Product Features: Accurate scale, handle holding, no burrs on edges and corners
Features:
1.Math geometry tool kit are essential tools for architects, engineers, artists, designers, teachers and so on. Appropriate big size to use for geometry drawing and math class, fits for classroom, school or office.
2. large numbers design measurement; easy to read, suitable for blackboard, whiteboard, dry erase board, etc.
3.Plastic material, wear resistance, not easy to deform, and will not scratch your hands.
4.Hollow center design, with detachable handle the teaching ruler is easy to grip.
5.Big size math geometry measuring drawing tool for office and school.

Note:
1.1cm=10mm=0.39inch.
2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering.
3.Please understand that colors may exist chromatic aberration as the different placement of pictures.

Package Include:
1 x Triangular Ruler/Angle Protractor/Compass
Triangular Ruler Angle Protractor Compass Set Square Teaching Aid Tools Drawing Measuring Tool Large Multifunction Multi-Size Math Geometry Teacher School Office Professional Practical Durable