Discover our Colour Marking Rings designed specifically for the HS series made out of Carbon Steel. These accessories are essential for STAUFF Quick Release Couplings, particularly for the Carbon Steel Screw-to-Connect Couplings with Poppet Valve in the HS series. The colour marking rings enhance the visual identification and organization of your couplings, ensuring efficient management and maintenance of your systems. Made from durable materials, these rings are built to withstand the rigors of industrial environments, providing a reliable solution for your carbon steel quick release coupling needs.