Square and angle finders are tools used to measure or verify the squareness and angles of workpieces or surfaces. They are commonly used in woodworking, metalworking, construction, and various other applications where precise angles and squareness are critical. Here's an overview of square and angle finders:

1.  Square Finders:
• Purpose: Square finders, also known as try squares or engineer's squares, are used to check and mark right angles (90 degrees) on workpieces or surfaces.
• Design and Construction: Square finders typically consist of a long steel blade and a perpendicular handle or stock. The blade is accurately machined and marked with measurement graduations, while the handle provides stability and control.
• Usage: To use a square finder, the blade is placed against one surface, and the handle is pressed firmly against the adjacent surface. The tool is then checked visually or with a feeler gauge to ensure that the angle formed is 90 degrees.
2.  Angle Finders:
• Purpose: Angle finders, also known as protractors or bevel protractors, are used to measure or replicate specific angles on workpieces or surfaces.
• Design and Construction: Angle finders can come in various designs, including digital, adjustable, or fixed-angle models. They typically feature a rotating base with a measuring scale or digital display, and an arm or blade that can be positioned to measure angles.
• Usage: Angle finders are positioned against the surfaces or edges where the angle is to be measured. The rotating base allows for accurate alignment, and the measuring scale or digital display provides the angle measurement in degrees or other units.

Benefits of Square and Angle Finders:

• Accuracy: Square and angle finders provide precise measurements, allowing for accurate verification of angles and squareness in various applications.
• Versatility: These tools can be used for measuring or setting angles in a wide range of applications, including woodworking, metalworking, construction, and more.
• Easy to Use: Square and angle finders are relatively simple tools to use, requiring basic positioning and visual inspection or reading of the measurement scale or display.
• Portable: Many square and angle finders are compact and lightweight, making them easy to carry and use in different work environments.

Overall, square and angle finders are valuable tools for ensuring the squareness and accurate measurement of angles in various projects. They are commonly used by professionals and DIY enthusiasts alike to achieve precise results in woodworking, metalworking, construction, and other related fields.