GREENSAPPIRE Adjustable Roofing Square 12 Inch, Aluminum Alloy Rafter Square with Lockable Protractor Arm, Metric & Imperial Carpenter Speed Square for Woodworking, Framing and Roofing

• [Optimized Adjustable Design]This multi-functional 12-inch roofing square features a lockable and adjustable protractor arm, allowing precise angle measurement and repeatable cuts. The precision-cut grooves align closely with the scale, enabling accurate scribing of parallel lines for professional woodworking and framing tasks.
• [Heavy-Duty Aluminum Alloy Construction]Made from certified aluminum alloy with a solid 5mm thickness, this rafter square offers excellent strength and rigidity. The durable black-coated finish enhances corrosion resistance, ensuring long-lasting performance even in demanding jobsite conditions.
• [Metric & Imperial Laser-Etched Scales]Clear laser-engraved markings on both sides provide accurate metric and imperial measurements. The white markings on the black surface improve visibility and readability, helping you quickly identify angles, lengths, and layout lines without eye strain.
• [Lockable Slider with Brass Screw]The adjustable slider is equipped with an enlarged brass locking screw, making it easy to tighten or loosen securely. This ensures stable positioning during measurements and improves efficiency when switching between different angles and layouts.
• [Wide Application for Woodworking & Roofing]Ideal for roofing, framing, carpentry, wood cutting, and home improvement projects. This adjustable speed square is a versatile measuring and marking tool for professional carpenters, builders, and DIY enthusiasts. (Note: Carpenter pencils are NOT included.)

Description Achieve precise measurements and accurate layouts with this 12-Inch Adjustable Roofing Square, designed for professional carpenters, roofers, and woodworking enthusiasts. Featuring a lockable protractor arm, this carpenter square allows you to measure, mark, and replicate angles efficiently, making it an essential tool for framing, rafter layout, and wood cutting tasks. Constructed from high-quality aluminum alloy with a 5mm thick plate, this rafter square delivers excellent durability and stability during repeated use. The black-coated surface provides enhanced corrosion resistance, making it suitable for both indoor workshops and outdoor job sites. The square is engraved with laser-etched metric and imperial scales on both sides, ensuring long-term accuracy without fading. The high-contrast white markings on the black base significantly improve readability, allowing you to work faster and more confidently, even in low-light conditions. An adjustable slider with a large brass locking screw enables quick and secure angle adjustments. Once locked, the protractor arm remains firmly in place, helping you maintain consistent measurements across multiple cuts and markings. This adjustable roofing square is widely used in woodworking, roofing, framing, stair layout, and general home improvement projects. Compact, precise, and reliable, it is a valuable addition to any professional or DIY tool kit.