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, allowing for easy recognition and organization of couplings in various applications. Made from durable materials, the Colour Marking Rings ensure long-lasting performance and resistance to harsh environments. They are available in a range of vibrant colors, enabling users to customize and manage their coupling systems efficiently. Ideal for industrial settings where quick and accurate coupling identification is crucial, these rings enhance safety and operational efficiency.