Marine D Rings are a versatile and essential piece of hardware for securing and attaching equipment on marine vessels, and are designed to provide a secure and reliable attachment point for various marine applications. Marine D Rings are commonly used for a variety of applications on boats and other vessels. They can be used for securing ropes and lines, attaching fenders or buoys, anchoring equipment, and for other general marine applications. They can also be used for securing equipment during transportation, such as securing gear or equipment on a trailer.