- Multi-Functional Tool: This rafter square combines the essential features of a protractor and a square, allowing for precise angle measurements, layout markings, and vertical and horizontal readings. Ideal for both engineers and carpenters, it enhances project accuracy and efficiency. - Durable Aluminum Alloy: Constructed from high-quality aluminum alloy, this rafter square is designed for durability and long-lasting performance in various engineering and woodworking tasks. - Accurate Engraved Markings: With clear, etched markings, this tool provides enhanced readability and ensures precise measurements every time, reducing the chance of errors. - Ergonomic Grip: Designed for comfort, this layout measuring tool fits comfortably in your hand, promoting ease of use and efficient measurement, which ultimately leads to improved workflow efficiency. Use Scenarios: 1. Framing: Use this rafter square to quickly and accurately measure angles and layout markings when framing walls or roofs, ensuring a solid structural design. 2. Staircase Construction: Perfect for determining the rise and run of staircases, this tool provides the necessary precision to adhere to safety regulations and aesthetic requirements. 3. Deck Building: Easily layout deck joists and railings with this versatile tool, enhancing the accuracy of your outdoor projects while saving time. With its reliable performance and thoughtful design, this rafter square is a must-have tool for any professional tradesperson or DIY enthusiast looking to improve their craft.