The PIN GAGE VT .639 (+) from Field Tool Supply is a precision measuring tool crafted from high-quality steel. Designed for accuracy, this pin gage features a diameter of .639 inches, making it ideal for checking hole sizes and ensuring proper fit in various applications. Its durable construction ensures longevity and reliability, while the (+) tolerance indicates a precise measurement for professional use. Engineered to meet industry standards, this pin gage is essential for quality control in manufacturing and machining processes.