Discover our range of Colour Marking Rings specifically designed for the FG series made out of Carbon Steel. These rings are essential accessories for STAUFF Quick Release Couplings, enhancing visibility and organization in your Carbon Steel Flat-Face Screw-to-Connect Couplings. Made to seamlessly integrate with the Series FG series, these marking rings offer a practical solution for identifying and managing your couplings effectively. Whether for industrial applications or maintenance purposes, our Colour Marking Rings for the FG series made out of Carbon Steel ensure durability and ease of use, making them an indispensable part of your coupling system.