General description The 3D Aluminum Alloy Carpenter Square is a versatile and durable measuring tool designed for precision in woodworking and engineering tasks. Made from high-quality aluminum alloy, it offers superior hardness, toughness, and wear resistance, making it an essential tool for carpenters and plumbers alike. This professional angle ruler features multiple functions, including a drilling template, protractor, and marking gauge, allowing for accurate measurements and markings at both 45 and 90 degrees. Technical specifications Material: Aluminum alloy Functions: Drilling template, protractor, dovetail template, circular hole, parallel line, vertical line, drilling positioning, T-shaped tip, 45°/90° angle ruler Usage Measuring and transferring angular dimensions Marking dimensions for parallel lines Determining drill bit sizes using the drilling template Suitable for processing three-dimensional workpieces such as beams, squared timber, square and tubular pipes, and