Angle finders, also known as protractors or bevel protractors, are tools used to measure, mark, or replicate specific angles accurately. They are commonly used in various industries and applications, including woodworking, metalworking, construction, engineering, and more. Here's an overview of angle finders:

1. Design and Construction:
• Angle Measurement: Angle finders are typically designed with a rotating base that allows for easy adjustment and positioning. The base is marked with a scale or equipped with a digital display to provide angle measurements.
• Arms or Blades: Angle finders have one or more arms or blades that can be extended or retracted to measure angles. These arms are usually made of metal, such as stainless steel, and may have measurement markings for precise angle readings.
• Locking Mechanism: Some angle finders feature a locking mechanism that secures the arms or blades in place once the desired angle is achieved.
2. Types of Angle Finders:
• Digital Angle Finders: These angle finders have a digital display that directly shows the angle measurement in degrees, eliminating the need for manual reading of a scale.
• Adjustable Angle Finders: These angle finders have a rotating base and adjustable arms or blades, allowing for precise angle measurements across a wide range.
• Fixed-angle Angle Finders: These angle finders have a fixed angle, such as 45 degrees or 90 degrees, and are primarily used for marking or verifying specific angles without the need for adjustment.
3. Usage:
• Positioning: The angle finder is placed against the surfaces or edges where the angle is to be measured.
• Alignment: The rotating base of the angle finder is adjusted until the arms or blades align with the desired angle or the reference angle.
• Reading: The angle measurement is read from the scale or digital display, providing the accurate angle value.

Benefits of Angle Finders:

• Accuracy: Angle finders provide precise angle measurements, allowing for accurate layout, marking, and replication of angles in various applications.
• Versatility: Angle finders can measure angles in different units, such as degrees, radians, or gradients, making them versatile for various industries and projects.
• Ease of Use: Angle finders are relatively straightforward tools to use, requiring basic positioning and reading of angle measurements.
• Portable: Many angle finders are compact and lightweight, making them portable and convenient to carry to different job sites.

Overall, angle finders are essential tools for professionals and DIY enthusiasts who need accurate angle measurements for their projects. Whether it's woodworking, metalworking, construction, or any other application that requires precise angles, angle finders provide a reliable means to achieve accurate results.