The Starrett 811 Dial Test Indicator is a high-quality precision tool used for metalworking inspection and measurement. Made in the United States by the reputable brand Starrett, this adjustable indicator features a mechanical swivel head and a sensitivity of .0005 inches. Ideal for accurate testing and inspection in a variety of industrial settings, this dial test indicator is a reliable and durable option for ensuring precision in metalworking projects. The set is in excellent condition.