The G80 D ring refers to a type of lifting or rigging hardware that is commonly used in heavy-duty applications. It is made from alloy steel and is designed to provide a secure attachment point for chains, slings, or other lifting devices. The "G80" designation refers to the grade of steel used to make the D ring, which indicates its strength and durability. The D ring is shaped like the letter "D" and has a small opening that can be hooked onto a chain or sling. It is commonly used in construction, manufacturing, and transportation industries to lift heavy objects or secure loads during transport.