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. Locate the desired position and tighten all knobs. 2. Position the ruler on the surface and mark the hole. 3. Drill at the marked location. 4. Install the tiles. Accurate angle measurement tool: This angle measuring device includes laser-etched inch and centimeter markings, ideal for precise angle measurement. With 16 adjustable segments, it allows accurate positioning for drilling and marking. This metal angle measuring ruler is a reliable tool for accurate hole placement. Widely used: Suitable for woodworking, tiling, glass, stone, laminate, construction, and engineering projects. Can be used as an alternative to corner rulers and straightedges across various industries. Material: Metal Color: As shown Package Contents: 1 x Measuring Ruler Note: Light reflection and differences in display screens may cause slight variations in color. Measurement error allowance: +/- 1-3 cm.