This Westcott Plastic Protractor is ideal for home, classroom or studio use. It measures angles from both sides, which makes it a handy teaching tool. Durable, transparent plastic construction makes it easy to use. It has an accurate 4 inch ruler at the base with highly visible English and metric system markings. This 180-degree Westcott protractor also has sharply defined graduations, and it comes in a plastic sleeve for storage.
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