The blind plug is a practical and reliable accessory designed for CEJN quick coupling sockets series 115, 116, 117, and 125, ensuring optimal protection against dirt, dust, and mechanical damage when the coupling is not in use. Manufactured from durable PVC, it offers long-lasting resistance to wear and environmental factors, making it ideal for demanding industrial environments. Its secure fit helps maintain the integrity and performance of your equipment, reducing downtime and extending service life. Available in three distinct colors—red, black, and blue—it also supports easy identification and organization within complex systems. This simple yet effective solution enhances workplace safety, prevents costly contamination, and ensures your quick couplings remain in perfect working condition.