QST 2 IN 1 Digital Angle Ruler 360 Degree 200mm Electronic Digital Protractor Angle Meter
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<b>[Product Information]</b><br>
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<li>A convenient stable locking function can lock the measurement at any angle or position to transfer a</li>
<li>Ruler made of stainless steel for durability and rust protection for years of use</li>
<li>Well used into various fields Angle Ruler, Straight Ruler and Square Ruler</li>
<li>can calculate internal and external angles and measures length quickly and accurately</li>
<li>Easy to measure all kinds of angle and draw lines</li>
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