The Phoenix Contact Terminal Blocks - Accessories - Wire Ferrules 3200519 are a reliable and durable connection solution for a variety of applications. These wire ferrules are designed to provide a secure connection between two wires, and are made from high-quality materials for maximum durability. The ferrules are designed to fit 18AWG wires, and are gray in color for easy identification. They are easy to install and provide a reliable connection that is resistant to vibration and shock. The Phoenix Contact Terminal Blocks - Accessories - Wire Ferrules 3200519 are a great choice for any application that requires a secure and reliable connection.