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Multi-functional Digital Protractor Practical Combination Angle Measuring Range 0~270°, Measuring precision ±0.3°; Length Measuring Range 7 inch/ 18cm
With Horizontal and Vertical Bubble Level It Also Can Be Used Like a Spirit Level, Helping You to Check and Calibrate (NOTE It Will Not Give a Value on LCD, Just Only Assist You to Judge)
Data Holding Function Pressing HOLD Button to Hold the Angles Values in Any Times, Operate Conveniently. Help the Users effectively Record the Angle Values
Mechanical Lock The lock Knob is just for loosening and tightening depending on users habit. It cant hold the angle firm completely (If you want to use Data Holding function, you need to press the HOLD button in red rather than twist the Lock knob)
Backlit LCD Display Come with Backlit LED Display Which Makes it Possible to Read the Data Clearly, Even under a Low Light Circumstance