The Federal D71 Dial Indicator is a precision measuring tool with a .0005" graduation scale and a 2-1/2" dial. Originating from the United States, this indicator is known for its reliability and accuracy in metalworking inspection and measurement. The full jeweled design adds durability and longevity to this essential tool for CNC machining and manufacturing. Perfect for professionals in the industrial sector, this dial indicator from Federal is a valuable asset for precise measurements and quality control.