Colour 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, enhancing safety and efficiency in fluid handling systems. Available in various colors, they allow for easy differentiation and organization of couplings in industrial settings. The Colour Marking Rings are durable, ensuring long-lasting performance under demanding conditions. They are an integral part of maintaining an organized and safe working environment, particularly when using Carbon Steel Quick Release Couplings.