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📏Separable Protractor — This construction protractors consists of a protractor arm and square head protractor, the swing arm can be locked with the angle gauge head to use.
📏Adjustable Protractor Arm — It's a aluminum steel ruler, 8" adjustable arm for setting the bevel, transferring angles, and finding your measurement.
📏Angle Gauge Head — This square head protractor has 30°45°90° Degrees degree quickly measured.
📏Multifunctional Protractor — This protractor can be used to quickly measure angles and draw lines, make 30 45 90 degrees degrees equal parts, make depth and height measurements, quickly draw circles as well as circle center measurements without the need to use multiple tools for tedious measurements.
📏Wide Application — The angle protractor ruler is suitable for engineering, angle measurement, student drawing, architectural design, carpentry, length measurement, ideal gift for students, craftsmen, architects and designers