1. High precision measurement, Measurement range: Suitable for measuring various angles and lengths, ensuring the accuracy of measurement results. 2. Multi functional design, Top magnetic: can be used as a horizontal measuring ruler for suspended ceilings, with one handed operation that does not fall off, doubling measurement efficiency. 3. Four sided scale: 360 ° adjustable and fixed, easy to handle complex angles. The equipment is positioned against the mountain in seconds, and can quickly draw lines horizontally along the edge of the board with zero error. 4. Aviation grade aluminum alloy material: High quality: anti drop, wear-resistant, rust free, durable for more than ten years, ensuring long-term use. 5. Portable and easy to use: Sharp and exquisite design: easy to shape with irregular contours and curved edges, making whole house customization effortless. Adjustable activity snap ring: precise height positioning to adapt to different measurement needs. Multi purpose applications: Usage 1: With a magnetic top, it can be used as a horizontal measuring ruler for suspended ceilings. Usage 2: Four sided scale, can be used as a measuring ruler for marking lines. Usage 3: Contour shaping, suitable for measuring various complex shapes. Usage 4: Closet panel closure positioning to enhance the overall delicacy of cabinet installation. Color:As Shown Material:Aluminum Alloy Package Contents: 1 * Multi-function Four-sided Ruler 1 * Pen