Quickly and accurately calculate angles with this multi-functional Digital Angle Ruler. It measures both angle and length on a metric and imperial scale. Easily to operate using only two buttons and locking function that can lock the degree measurement at any angle.
Perfect for woodworking, vehicle maintenance & repairing, construction, sketching or drawing.
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Convenient Locking Screw - By tightening the screw, the ruler can be locked at any angles