Special Features
- :)This tool is professional protractor designed for the math teaching use.
- :)With this tool, teachers can teach the method to solve geometric exercises.
- :)This is the must have tool at the math class, with this tool the teacher can show the process of solving the geometric problems.
- :)This protractor is using of plastic material, which has high strength, durable for using.
- :)It has detachable handle, which is convenient for people to use.
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