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 FG. These rings provide a visual identification system, enhancing safety and efficiency in fluid handling operations. Available in various colors, they allow for easy differentiation and organization of couplings in industrial settings. By using Color Marking Rings, users can quickly identify the type and purpose of each coupling, reducing errors and improving workflow. These durable, easy-to-install rings are a practical solution for managing multiple couplings in demanding environments.