Aluminum alloy material: This 16-faced multi-angle measuring ruler is made of high-quality aluminum alloy, ensuring long-lasting durability and resistance to wear. Folding and adjustable: The multi-angle measuring ruler features 16 segments and 16 adjustment knobs, allowing for flexible folding and precise angle adjustments. It enables quick, convenient, and accurate angle measurements for various applications. Easy to use: 1. Align the desired angle and tighten all knobs securely. 2. Position the ruler on the surface and mark the required points. 3. Drill holes at the marked locations. 4. Install the tiles or materials as needed. Accurate angle measurement tool: This angle measuring device includes laser-etched measurement markings in both inches and centimeters, providing high precision for angle detection. With 16 adjustable segments, it allows accurate positioning for drilling and marking tasks. This metal angle measuring ruler is an ideal tool for precise hole placement and alignment. Widely used: Suitable for woodworking, tiling, glass, stone, laminates, construction, and engineering projects. Can be used as an alternative to corner rulers and straightedges, making it versatile across multiple trades and applications. Material: Metal Color: As shown Package Contents: 1 x Measuring Ruler Note: Light reflection and differences in display screens may cause slight variations in the color shown in the image compared to the actual product. Measurement error allowance is +/- 1-3 cm.