Features: Metal triangle ruler can be used many times without any damage. 7in carpenter square could be widely used in various work scenarios such as carpentry, architecture, drawing, painting, and sewing. Size: about 18.5x18.5x2.2x26cm/7.28x7.28x0.87x10.24in, easy to use. The carpenter square can be used as a protractor, scriber, and so on. The carpenter square with a deep etching scale, excellent readability and can be used for a long time. Specifications: Component: Aluminum Alloy Size: about 18.5x18.5x2.2x26cm/7.28x7.28x0.87x10.24'' Type: 2 Kinds Optional Package Includes: 1 Pc Triangle Ruler note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.