Discover our range of Colour Marking Rings specifically designed for the HP series made out of Carbon Steel. These accessories are essential for enhancing the functionality and identification of your STAUFF Quick Release Couplings. Made from durable carbon steel, these rings ensure long-lasting performance and are compatible with Carbon Steel Push-to-Connect Couplings with Poppet Valve in the HP series. Whether you need to distinguish between different lines or simply add a visual aid to your system, our Colour Marking Rings are the perfect solution for your industrial needs.