The Power Products 3/8" Brass Hex-Head Plug is the perfect choice for any application that requires a reliable and durable connection. It is able to tolerate high pressures and temperatures and meets DOT and SAE requirements. The brass construction ensures high corrosion resistance, making it ideal for use in harsh environments. This plug is easy to install and provides a secure and reliable connection. It is the perfect choice for any application that requires a reliable and durable connection. FleetPride is your First Click in Heavy Duty®.