Color Marking Rings are essential accessories for STAUFF Quick Release Couplings, specifically designed for Carbon Steel Screw-to-Connect Couplings with Poppet Valve in the Series HS. These rings provide a visual identification system that enhances safety and efficiency in fluid handling systems. By using different colors, users can easily distinguish between various types of couplings, ensuring proper connections and reducing the risk of errors. The Color Marking Rings are durable, resistant to harsh environments, and easy to install, making them an ideal solution for industrial applications where quick and reliable identification is crucial.