General description This multifunctional carpenter square set includes two triangle rulers, one measuring 18cm and the other 30cm. Designed with a matte black finish, these rulers are corrosion-resistant and durable, ensuring they won't easily break. The edges are smooth, providing safety during use. Technical specifications Material: High-quality aluminum alloy Dimensions: 18cm Triangle Ruler: 18 x 18cm; 30cm Triangle Ruler: 30 x 30cm Features: Matte black finish, corrosion-resistant, no sharp edges Wide Use This carpenter square serves multiple functions, including: Protractor Miter gauge Scribe saw guide Framing square Ruler It is ideal for various building and remodeling projects. Usage The triangle ruler features a thicker edge design, allowing you to use it directly with a saw for cross cuts or angled cuts. The etched scale enables quick and accurate marking of cutting lines on your seams.