The VERMONT GAGE 1.3239 MINUS Class ZZ Pin Gage is a precision tool designed for accurate measurement of hole diameters in manufacturing and quality control processes. This gage features a 0.323" diameter with a minus tolerance of -0.0002"/+0.0000", ensuring precise fit and function. Constructed from high-quality tool steel with a hardness of 60/65 Rc, it offers durability and resistance to wear. The gage has a 2" overall length, facilitating easy handling and measurement in various applications. Each gage is centerless lapped and heat-treated to enhance its longevity and performance. For added protection against corrosion, the gage is available with a Black Guard finish, providing a 10 microinch finish or better. The VERMONT GAGE 1.3239 MINUS Pin Gage is NIST traceable and includes a Certificate of Accuracy, ensuring reliability and compliance with industry standards. This gage is ideal for measuring small-sized holes where standard caliper measurements are inefficient or unsuccessful, offering a practical solution for precise hole size verification.