The Fowler 74-422-450-1 Mini Mag Protractor is a high-quality electronic/digital indicator designed for metalworking inspection and measurement. This compact and efficient tool, manufactured by Fowler, allows for precise and accurate measurements in a variety of industrial applications. With its reliable brand reputation and user-friendly design, the Mini Mag Protractor is an essential tool for professionals in the CNC, metalworking, and manufacturing industries.