General description The 3D Aluminum Alloy Carpentry Square is a versatile measuring tool designed for carpenters and engineers. Made from high-quality aluminum alloy, it offers superior hardness, toughness, and durability, making it resistant to wear and oxidation. This carpentry square features multiple functions, including a protractor, dovetail template, and drilling guide, making it an essential tool for precise 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° and 90° angle ruler Measurement accuracy: Clear reading and elegant appearance 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, and various materials including aluminum alloy, wood,