Colour Marking Rings are essential accessories for STAUFF Quick Release Couplings, specifically designed for the Carbon Steel Flat-Face Screw-to-Connect Couplings in the Series RH. These rings provide a visual identification system, enabling easy recognition and organization of different couplings in industrial settings. Made from durable materials, the Colour Marking Rings ensure long-lasting performance and resistance to harsh environments. Their vibrant colors facilitate quick and accurate coupling selection, enhancing operational efficiency and safety. Ideal for use in various applications, these rings are a practical solution for managing and maintaining your coupling inventory effectively.