Explore our Color Marking Rings (Series RH), essential accessories for STAUFF Quick Release Couplings. Designed specifically for Carbon Steel Flat-Face Screw-to-Connect Couplings within the Series RH, these rings enhance system organization and safety. Available in various colors, they allow for easy identification and differentiation of lines in complex hydraulic systems. Perfect for applications requiring quick and secure connections, these Color Marking Rings ensure efficient management and maintenance of your couplings.