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Make sure this fitsby entering your model number. Digital Angle Finder Protractor with High Accuracy, Delicate Design and Modern Appearance, An Interior Designer Should Have One High Accuracy Angle Range is 0-225°, Measuring precision ±0.5°, Increase/Decrease Angle 0.1° Data HoldIf You Want to Use Data Holding Function, You Need to Press the HOLD Button in Red rather than Twist the Knob. (The Knob is Just for Loosening and Tightening. It Cant Hold the Angle Firm Completely) Backlit LCD Display Come with Backlit LED Display Which Makes it Possible to Read the Data Clearly, Even under a Low Light Circumstance With Horizontal and Vertical Bubble Level It Also Can Be Used Like a Spirit Level, Helping You to Check and Calibrate (NOTE It is NOT a Digital Level. Will Not Display a Number on LCD, Just Only Assist You to Judge If It Is Horizontal / Vertical or Not)