The comprehensive squares line from Irwin includes a variety of versatile tools with easy-to-read measurement scales and durable engineering to meet the demands of the jobsite. The line up includes Hi-Contrast Rafter squares and framing squares for easy, accurate readings when cutting rafters and marking a multitude of angles. The combination squares with durable cast zinc bodies and precision etched scales provide accurate 90 deg and 45 deg readings and the T-Bevel is ideal as a depth gauge and for transferring angles. No matter the job, there an Irwin square to help you do it right.