- Versatile Angle Measurement: This aluminum protractor goniometer measures internal, external, and compound angles, providing great convenience for your woodworking projects. - Reliable Design: The four-piece universal protractor features locking nuts for precise shape transfer, allowing you to use it with confidence for accurate measurements. - Angle Transfer Capability: With this aluminum alloy angle finder, you can easily transfer odd angles to your miter saw. It is compatible with angles ranging from 0 to 180 degrees, making it ideal for various cutting tasks. - Accurate Readings: The protractor is equipped with a clearly marked scale ranging from 0° to 180° in both directions. Its aluminum construction offers excellent strength and corrosion resistance, ensuring durability and longevity. Use Scenarios: 1. Woodworking: Perfect for accurately measuring and transferring angles when cutting joints or installing trim. 2. DIY Projects: Ideal for home improvement tasks requiring exact angle measurements to ensure a perfect fit. 3. Carpentry: A must-have tool for contractors and carpenters needing reliable angle transfers for framing and cabinetry. This aluminum protractor goniometer enhances your woodworking precision and efficiency, making it an essential tool for both professionals and hobbyists.