Made of durable plastic, the protractor ruler features a clear scale that ensures long lasting use as it is not prone to breaking or deforming easily. With a transparent color and double-scale design on the measuring arm, this clear plastic goniometer allows for quick and easy reading of measurements.The head of our protractor angle finder can rotate 180 degrees around the scale, and it has an extendable arm that can go from about 7 inches to about 12 inches in length.

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Price	$2.99	$2.89	$2.69	$2.39	$2.09	$1.69