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The PITTSBURGH 12 in. Rafter Angle Square is an essential tool for framers, carpenters, and construction professionals. This precision instrument features a 12-inch blade with clearly marked degree graduations and rafter tables, enabling accurate angle cuts and roof pitch calculations. The durable steel construction withstands jobsite demands, while the easy-to-read markings ensure quick reference without guesswork. Ideal for layout work, stair stringers, and complex framing applications, this angle square delivers the reliability and accuracy that experienced builders depend on.