Digital Protractor takes all the guesswork out of measure an angle. Sure you can use it for math problems at school.Use to measure angles and/or draw lines at specific angles.Measures angles to one decimal place - with digital accuracy (±0.3°).Stainless steel rulers measure in cm and in.Hanging hole on each ruler to hang or anchor for measurements.Locking knob locks Digital Protractor at the angle of your choice.
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