ITEM NAME:Marine Grade 316 Stainless Steel Welded D Ring Fitting Hardware 40x33 mm img *{margin:0;padding:0;.Marine grade 316 stainless steel welded D ring fitting rigging hardware. Material: 316 Stainless steel. 1 Piece Welded D Ring. Multiple applications, such as marine boat, yacht, trucks, caravan, trailers, horsebox rope and so on.