General description The 3D Aluminum Alloy Carpenter's Square is a professional-grade tool designed for precision in woodworking and engineering tasks. Made from high-quality aluminum alloy, it boasts high hardness, toughness, and durability, making it wear-resistant and rust-resistant. This versatile ruler serves multiple functions, including angle measurement, protractor use, and hole positioning, making it an essential tool for carpenters and engineers alike. Technical specifications Material: High-quality aluminum alloy Functions: Angle measurement, protractor, dovetail jig, circular hole, parallel line, vertical line, hole positioning, T-tip, 45°/90° angle ruler Usage Measure and transfer angle measurements with ease Mark left and right angles of 45 degrees or 90 degrees Drilling dimensions with the drilling guide Chamfering for three-dimensional workpieces such as beams, square wood, and aluminum alloys Other information Clear reading and elegant appearance Great gift for