iFloats Stainless Steel D-Ring Kit - Water Accessories – iFloats Water Floats
Heavy Duty Stainless Lashing Ring With Weld On "D" Ring, Ideal For Cargo Applications Such As Overseas Container Shipments or Long Distance Hauling in Exposed Elements (S3722-0013 (1/2")) - Amazon.com
D-Ring Anchor - Caliber - Engineered for Adventure
2 Hole Folding D Ring by Sea Dog - Stainless Steel | GreenBoatStuff.com
1 Inch Stainless Steel D-Ring with Clip - Strapworks