Sea Dog Stainless Steel Folding D RingMarine grade 316 stainless steel base, corrosion resistant 17.4 PH stainless steel D-ring and rubber gasket. Convenient folding design keeps fittings out of the way when not in use. This Sea Dog D-Ring has multiple applications including rigging, tie-down and securing cargo for storage or transport.Features;Cast 316 stainless steel base17-4PH stainless D-RingRubber gasketInstalls with 1/4″ FH fastenersDimensions:A: 2-1/8″B: 1-3/16″C: 1/4″D: 7/8″E: 1-7/16″Break Strength: 3,500 lbs.