- Durable Construction for Any Environment: Made from thickened aluminum alloy, this 12-inch carpenter's rafter square is built to withstand tough conditions. Its resistance to oxidation and rust ensures it remains waterproof and reliable, making it perfect for outdoor or challenging job sites. Its compact size makes it easy to carry in your tool belt or pouch. - Precision Laser-Etched Markings: The scale features clear, laser-etched measurements that are designed to last. Unlike printed markings, these will not fade or wear off over time, guaranteeing consistent accuracy for all your measuring and marking tasks. - Versatile Angle Measurement: This 12-inch metal ruler allows for easy multi-angle measurements. You can quickly draw lines at various angles, including 15°, 25°, and 45°, making it highly versatile for woodworking projects. The widened base can be clamped onto wood, allowing for secure and precise movement. - Enhanced Stability with Marking Holes: The square’s widened base provides stability when clamped to wooden boards, facilitating smooth movement. Marking holes at each integer position simplify the process of drawing straight lines, enhancing efficiency in your work. - Practical Applications: Ideal for carpentry, framing, and DIY projects, this tool is perfect for creating accurate cuts, layouts, and measurements. Whether you're building furniture, installing cabinets, or working on home renovations, this carpenter square delivers the accuracy and durability you need to ensure quality results.