Color Marking Rings (Series HS) are essential accessories for STAUFF Quick Release Couplings, specifically designed for the Series HS Carbon Steel Screw-to-Connect Couplings with Poppet Valve. These rings provide a visual identification system, allowing for easy differentiation and organization of couplings in various applications. Made from durable materials, the Color 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 industries requiring quick and reliable coupling identification, these rings enhance safety and operational efficiency.