5-Section Folding Level Ruler, 720mm Total Length, Flexible Bending, Easily Adapts To Stairs, Corners, Irregular Curved Surfaces And Other Scenarios Where Ordinary Level Rulers Are Difficult To Measure. Equipped With 4 Sets Of Leveling Bubbles, Supports 45°, 90°, 180° Multi-Angle Precise Detection, High-Precision Reading Of ±0.5mm/M. The Ruler Body Is Made Of Aluminum Alloy Material, Durable And Shock-Resistant, With Built-In Strong Magnetic Suction