Made from aluminum alloy, this tool is corrosion resistant and durable, not easy to break. It combines several functions in one device: protractor, line scriber, saw guide, tri/meter square, and a ruler. Key benefits - Multi functional design reduces tool clutter by combining several layout and measuring tasks in one instrument - Aluminum alloy construction provides strength while staying lightweight and corrosion resistant - Lipped edge enables secure locating for accurate setup and marking - Dual measurement system with metric and imperial scales for versatile use What it does - Protractor for angle reading and transfer - Line scriber for marking precise lines - Saw guide to help produce straight, accurate cuts - Tri/meter square and ruler for layout, squaring, and measuring Ideal applications - Framing: ensure accurate angles and layout during wall and stud work - Roofing and building: guide cuts and verify square joints on surfaces - Remodeling projects: quick layouts, measurements, and marking for trim, cabinetry, or drywall Specifications and compatibility - Material: aluminum alloy for durability and resistance to corrosion - Measurements: metric and imperial scales for convenient reading Use scenarios - Scenario 1: Use the protractor and square functions to verify right angles when framing a new wall. - Scenario 2: Align and guide saw cuts with the straight edge for precise roofing or remodeling cuts. - Scenario 3: Mark and measure components for trim or cabinetry using the dual scale for quick, accurate layouts. This tool provides reliable performance across framing, roofing, building, and remodeling tasks, with a durable build and practical features that stay aligned with professional workflow.