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The IRWIN SQUARE #2 is a precision measuring and marking tool engineered for professional contractors and serious DIYers. This durable square delivers accurate 90-degree angles for framing, layout work, and construction projects. Its robust steel construction withstands jobsite demands while the clear markings ensure quick, reliable measurements. Whether you're squaring up walls, marking cut lines, or verifying angles, this dependable square provides the accuracy and longevity professionals trust for consistent results across residential and commercial applications.