The Haltec Dial Gauge is a precision measuring instrument used to accurately measure small distances and variations. It has a 1.5 inch dial with 0.001 inch graduations, allowing measurements as precise as 0.001 inches. The gauge has a 0.25 inch travel range and comes with a magnetic base for hands-free use on ferrous metals. It can measure variations in part dimensions, runout, deflection, and other precision measurements. The dial indicator is made of stainless steel for durability. This high-quality dial gauge is ideal for use in machining, fabrication, inspection, and engineering applications requiring precise measurements.