JessEm Quick Angle Rafter Pro The Ultimate Adjustable Rafter Square for Fast, Accurate Layouts The JessEm Quick Angle Rafter Pro is a professional-grade adjustable rafter square engineered for framers, roofers, carpenters, contractors, and woodworkers who demand speed, accuracy, and repeatability on every project. Precision-machined from aircraft-grade 6061 aluminum and protected by a durable hard-anodized finish, the Quick Angle Rafter Pro is built to withstand demanding jobsite conditions while delivering the precision professionals rely on. At the heart of the design is JessEm's patented Quick Angle Stop System, allowing you to instantly lock virtually any angle with the push of a button. Eliminate the hassle of traditional stair gauges and complete repetitive layouts faster, more accurately, and with complete confidence. Whether you're framing walls, laying out roof rafters, cutting stair stringers, installing trim, or completing custom woodworking projects, the Quick Angle Rafter Pro helps you work smarter and more efficiently. Why Choose the JessEm Quick Angle Rafter Pro? Patented Quick Angle Stop for fast, repeatable angle layouts Lightweight, aircraft-grade 6061 aluminum construction Durable hard-anodized finish for years of professional use Built-in level for quick and accurate alignment Precision laser-engraved graduations for maximum visibility Integrated 1/16" scribing notches for consistent layout work Designed for professional contractors, carpenters, roofers, and woodworkers Key Features Patented Quick Angle Stop System JessEm's innovative Quick Angle Stop allows you to instantly lock virtually any angle without using traditional stair gauges. Simply press the release button, slide to the desired angle, and release to securely lock the square in position. When your layout is complete, press the button again to quickly return to the 90° position. Fast, repeatable layouts have never been easier. Preset Angle Detents Quickly lock into the most commonly used construction angles: 10° 20° 22.5° 30° 40° 45° 50° 60° 67.5° 70° 80° Perfect for roof rafters, framing, stair stringers, trim installation, and countless layout applications. Aircraft-Grade 6061 Aluminum Construction Precision-machined from premium 6061 aluminum, the Quick Angle Rafter Pro offers an ideal balance of strength, durability, and lightweight performance for everyday jobsite use. Durable Hard-Anodized Finish A premium hard-anodized coating protects the aluminum body from scratches, corrosion, and wear, ensuring long-lasting performance in demanding work environments. Integrated Bubble Level The built-in level provides a quick visual reference for level surfaces, helping improve layout accuracy while reducing the need for additional tools. Precision Laser-Engraved Markings Every graduation is permanently laser engraved for exceptional visibility and long-term durability, even under heavy jobsite use. 1/16" Scribing Notches Integrated scribing notches spaced every 1/16 inch make repetitive layout work faster and more accurate, allowing consistent marking for rip cuts and parallel lines. Perfect For: The JessEm Quick Angle Rafter Pro is ideal for: Roof rafter layout Wall framing Stair stringers Finish carpentry Trim installation Deck construction Woodworking Remodeling General construction Layout and marking Built for Accuracy. Designed for the Jobsite. From rough framing to finish carpentry, the JessEm Quick Angle Rafter Pro delivers the speed, precision, and durability professionals depend on every day. Built with premium materials and JessEm's patented innovation, it's the adjustable rafter square that helps you complete every layout faster, more accurately, and with complete confidence. Technical Specifications Material: 6061 Aircraft-Grade Aluminum Finish: Hard-Anodized Patented Quick Angle Stop System Integrated Bubble Level Precision Laser-Engraved Graduations 1/16" Scribing Notches Preset Angle Detents: 10° 20° 22.5° 30° 40° 45° 50° 60° 67.5° 70° 80° WARNING - Cancer and reproductive harm. For more information please click: JessEm Prop65 Warnings SHIPPING, POLICIES & WARRANTY INFORMATION