The SEALCON LLC part CF21AR-BK is a high-quality strain relief fitting designed to provide superior protection and flexibility for electrical connections. Made from durable black nylon material, this fitting is designed to reduce strain and prevent damage to cables and wires. With a PG 21 size, it is suitable for a wide range of applications, including industrial machinery, automotive, and marine environments. Whether you need to protect sensitive electronic components or ensure the longevity of electrical connections, the CF21AR-BK strain relief fitting is the perfect solution.