Multi-Function Folding Level Ruler, High Precision Measurement, Supports Multi-Angle Readings, Dedicated Measuring Tool For Construction, Home Renovation, Woodworking. Foldable Design Flexibly Adapts To Corners And Irregular Positions, One Device Handles Horizontal, Vertical, And Multi-Angle Detection. Clear And Precise Scale, Stable Bubble Level With Minimal Drift, Low Measurement Error, Ensures Construction Accuracy.