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 base; 17-4PH stainless D-Ring; Rubber gasket; Installs with 1/4" FH fasteners; Dimensions: A: 2-1/8"; B: 1-3/16"; C: 1/4"; D: 7/8"; E: 1-7/16"; Break Strength: 3,500 lbs.;