General description The 180mm Thick Aluminum Triangle Carpenter Square is a high precision measuring tool designed for accurate measurements and versatile applications in woodworking and construction. Its unique design features a hollow auxiliary graphic frame for easy line drawing and a T-shaped fixed edge for stable cuts. Technical specifications Measuring range: 0-180mm Material: High-quality aluminum alloy Finish: Matte black paint Durability: Rust-resistant and wear-resistant Corner design: Passivated corners to prevent hand scratches Usage Measure lengths and angles from 0 to 90 degrees Use as a cutting guide for woodworking projects Ideal for furniture and construction model making Suitable for all construction and renovation projects