IRWIN Tools Carpenter Square， Aluminum， 16-Inch by 24-Inch (1794450)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Permanent deep carpenter square stampings for durability</li><li>Durable， rust-proof aluminum body</li><li>Carpenter hand tools for laying out and marking angles in framing， roofing and stairway work</li><li>Also used for checking squareness and flatness</li><li>Dimensions: 16" x 24"</li><li>Permanent deep carpenter square stampings for durability</li><li>Durable， rust-proof aluminum body</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31EKi4r0c4L.jpg' noproxy></br>