Protractor for Geometry is made of plastic, lightweight, portable and durable..Circle Maker is hard to damage, accurate balance, high accuracy, long term service for you..The Protractor 360 Degree has a forward and reverse reading range of 0° to 360°..Circle Protractor Ruler is easy to use and the Protractor will not simply wear out or break..The Plastic Protractor has an adjustable Protractor arm and a knurled nut.
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360 Degree Protractor Full Circle 100mm Diameter Protractor Swing
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