The SEALCON CD21NA-BK is a high-quality black nylon strain relief fitting designed to provide reliable cable protection and strain relief for industrial applications. With a standard 3/4" NPT thread, this fitting is easy to install and ensures a secure connection. The black nylon construction offers durability and resistance to chemicals, making it suitable for use in harsh environments. Whether you need to protect cables from excessive bending, pulling, or vibrating, the SEALCON CD21NA-BK strain relief fitting is the perfect solution for maintaining optimal cable performance and longevity.