General description The Aluminum Alloy 3D Carpenter's Square is a versatile and durable measuring tool designed for carpenters and engineers. Made from high-quality aluminum alloy, it offers high hardness, toughness, and wear resistance, making it suitable for various woodworking tasks. This professional angle ruler features multiple functions, including a square, protractor, dovetail gauge, and drilling jig, allowing for precise measurements and markings at 45° and 90° angles. Technical specifications Material: High-quality aluminum alloy Functions: Square, protractor, dovetail gauge, circular hole, parallel line, vertical line, drilling positioning, T-shaped tip, 45°/90° angle ruler Usage Measuring and transferring angle measurements Marking dimensions for parallel lines Determining drill sizes using the drilling template Suitable for processing three-dimensional workpieces such as beams, squared timbers, square and tubular pipes, aluminum alloy, wood, stainless steel, and marble