The TE Connectivity / AMP Brand part 5745071-4 is a high-quality HD-20 Plug. This vertical plug features 9 pins and a quick and secure screw-lock mechanism for a reliable connection. It is designed for use in a wide range of applications that require a durable and efficient connector. With its excellent performance and easy installation, this HD-20 Plug is a reliable choice for professional audio, video, and data transmission projects.