- Simple Protractor: This adjustable protractor features an arm that locks securely into your desired position using a knurled thumb nut, allowing for quick and precise angle identification. Made from durable stainless steel, it ensures longevity and reliability. - Goniometer Protractor Ruler: Crafted from high-quality stainless steel, this protractor ruler is solid and dependable, making it an essential tool for accurate measurements. - Accurate Scale: The stainless steel protractor boasts a clear and precise scale, making it ideal for use across various industries and applications, including engineering, architecture, and woodworking. - Swing Arm Protractor: For measurements that require stability, simply tighten the screw to secure the arm in place. This feature enhances ease of use, ensuring accurate results every time. Use Scenarios: 1. Engineering: Perfect for measuring angles in technical drawings and designs, ensuring precision in your projects. 2. Woodworking: Ideal for setting angles on cuts and joints, helping you achieve professional-quality finishes. 3. Education: A valuable tool for teaching geometry and trigonometry, enhancing learning through hands-on measurement. Key Attributes: - Material: Durable stainless steel for strength and precision. - Functionality: Adjustable arm with secure locking mechanism for ease of use. - Compatibility: Suitable for various professional and educational applications. - Size: Compact and easy to handle, making it a practical addition to your toolkit.