The PIN GAGE VT .644 (-) STEEL from Field Tool Supply is a precision measuring tool designed for quality control and inspection. Measuring .644 inches in diameter, this pin gage is made from high-quality steel, ensuring durability and accuracy. It is perfect for checking hole sizes and ensuring proper fit in various applications. The negative tolerance indicates a precise measurement, making it essential for engineers and machinists. This pin gage meets industry standards for precision tools, ensuring reliable performance in any setting.