General description The CSPARKV 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 engineers alike. This professional angle ruler features multiple functions, including a protractor, dovetail template, and drilling guide, allowing for accurate measurements and markings. Technical specifications Material: Aluminum alloy Functions: Square, protractor, dovetail template, circular hole, parallel line, vertical line, drilling positioning, T-shaped tip, 45°/90° angle ruler Measurement accuracy: Clear reading and easy to read Usage Measuring and transferring angular dimensions Marking dimensions for parallel lines Determining drill bit sizes with the drilling template Suitable for processing three-dimensional workpieces such as beams, squared timber, square and