JET Tools' 7 in. x 10 in. Aluminum Triangle Rafter Square supports efficient workflow by combining multiple layout functions into a single dependable tool. The precision-machined edges help ensure accurate line marking and angle verification, while the rugged aluminum construction resists bending and wear under demanding conditions. Ideal for framing contractors, carpenters, remodelers, and serious DIY users, this square simplifies common measuring and layout tasks while helping reduce errors and material waste. Whether laying out rafters, checking squareness, or guiding circular saw cuts, it delivers reliable performance and repeatable results on every project.