DIYEAH Magnetic Dry Erase Protractor Half Circle Protractor Ruler with Swing Arm Geometry Measurement Drafting Tool for Whiteboards Chalkboards

Features

• It is using the sturdy plastic material, which can be used for a long time
• This is for math teachers to drawing on the blackboard
• This product has handle design, which can be easy to hold, very convenient
• It is professional teaching accessory for school, classroom, teachers, and so on
• Protractor allows teachers to draw and teach better. Protractor can also draw circles