Color Marking Rings are essential accessories for STAUFF Quick Release Couplings, specifically designed for Carbon Steel Flat-Face Screw-to-Connect Couplings in the Series RH. These rings provide a visual identification system, enhancing safety and efficiency in hydraulic systems. Available in various colors, they allow users to quickly distinguish between different lines or fluids, ensuring proper connections and reducing the risk of errors. The Color Marking Rings are easy to install and durable, making them an ideal solution for industrial applications where quick and reliable identification is crucial.