This is the DUI D-Ring 2" (5 CM) Stainless Steel w/ 45Adeg Bend for Scuba Features: 2 inch 45 degree bend The Stainless Steel "D" ring has become a SCUBA industry main stay in terms of gear configuration. The shape of the "D" ring works well when coupled with a Triglide. The bent shape works best in the chest location as a diver can easily get under the "D" ring for attaching gear. Remember "Rings on your body, Clips on Gear" having a clip on your harness may lead to an entanglement situation. Line entangled on a gear clip is easily solved, remove the accessory gear and clear the line.