Fowler Model #54-101-300-1 digital caliper.  Appears to be in very good usable condition.

The Machinist Tools Fowler 12" / 300mm Digital Caliper is a precision tool used for measuring distances accurately in a variety of industrial and manufacturing applications. With a maximum measurement of 12 inches, this digital caliper provides precise measurements with ease. The Fowler brand ensures quality and reliability in this essential tool for metalworking inspection and measurement. Perfect for CNC machining, metalworking, and other industrial processes, this digital caliper is a valuable asset for professionals seeking accuracy and efficiency in their work.