The Mill-Max Rectangular Connectors - Headers, Specialty Pin 342-10-139-00-591000 is a 39-position, gold-plated, dual-in-line post header connector. It is designed to provide reliable and secure connections for a variety of applications. The connector features a durable construction with a high-temperature plastic body and gold-plated contacts for superior electrical performance. It is also RoHS compliant and UL recognized. The connector is ideal for use in a variety of applications, including industrial, automotive, and consumer electronics. It is easy to install and provides a reliable connection for a variety of applications.