The Multifunctional Measuring Tool is an aluminum alloy combination ruler that serves as a 45/90 marking ruler, a workable height ruler, and a height gauge. It is an essential tool for carpenters, engineers, and DIY enthusiasts. Benefits Accurate measurements with minimal shift to reduce errors and improve project outcomes. Three functions in one tool: 45/90 degree marking, height ruler, and height gauge for versatile layout and checking. Key features Material: sturdy aluminum alloy built to withstand daily use in workshops and home projects. Functionality: supports 45 and 90 degree angle marking, height measurement, and height gauging with a single tool. Durability: designed to endure regular handling and frequent use in busy work environments. Ease of use Straightforward design that is easy to operate for both professionals and beginners, enabling quick setup and reliable results. Use scenarios Scenario 1: Mark and verify 45degree miters for cabinet making, trim work, or picture frames to ensure clean, accurate joints. Scenario 2: Measure and transfer heights for shelves, brackets, door bottoms, or other horizontal components in a project. Scenario 3: Check vertical clearances and align components during small construction, metalwork, or DIY assemblies.