About the product
- Material is plastic,4.09 inch protractor,24 pack
- Size:4.09" x 2.44",easy to put in your pencil case
- Clear color,digital clear,with fixed point hole,help fast accurate measurement
- Both sides have 180 degrees of semicircle,scale,can according to need from left to right or from right to left
- One of the commonly used mathematical tools,it can not only use by ourself,but also sent to our students,friends
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