- Adjustable protractor arm locks securely in place with a knurled thumb nut, allowing you to quickly and accurately measure angles with ease. - Features deeply etched graduations that are easy to read from 0° to 180° in both forward and reverse directions, ensuring durability as they will not wear or rub off over time. - The design allows for precise angle identification, making it ideal for a variety of tasks that require accuracy. - Constructed from high-quality stainless steel, this protractor offers exceptional strength and rust resistance, ensuring longevity and reliability. Applications: - Perfect for carpentry and construction projects where accurate angle measurements are critical. - Ideal for educational settings, assisting students in geometry and trigonometry by providing a tangible tool for learning. - Useful for metalworking or machining tasks, where precise angle measurements can impact the quality of the finished product.