<h3>Key features</h3><ul> <li>High Quality: The 12 inch triangle ruler is made of aluminum alloy, which is light and convenient. corrosion-resistant, not easy to break, durable and high hardness.each edge of the triangle ruler are polished by special process, so that it is smooth and does not hurt your hands.</li> <li>Double Scale: Clearly scaled on the ruler surface, the 7 inch carpenters square, offers convenience of using the right number to work.</li> <li>Double Scale: Clearly scaled on the ruler surface, the 7 inch carpenters square, offers convenience of using the right number to work.</li> <li>Unique Design: This metal square ruler is convenient to hang and store when not in use.</li> <li>Multi-function: The carpenter square can be used as a protractor, line scriber, saw guide and trimeter square, framing square and a ruler, suitable for all woodworking projects.</li> </ul><p>Specification: Size: 12 in Color: Black</p><p>Free shipping included. 30-day hassle-free returns.</p>