Carpenter's square can be used as a protractor, scriver, etc Metal triangle ruler can be used repeatedly without damage The 7" carpenter's square is widely used in a variety of work scenarios such as carpentry, construction, drawing, painting, sewing, etc Size: about 18.5x18.5x2.2x26cm/7.28x7.28x0.87x10.24inch, easy to use Carpenter angle with deep carving markings for high visibility and long-lasting use, Manufacturer: Tizuqe