... , En71, ASTM 3.Warranty:3years 4.OEM/ODM:yes Welded "D" Ring Zinc Plated or Hot Dipped Galvanized Type: snap hook ... /aluminum/quick snap hook, "S" light hook 1. Name: WELDED "D" RING2. Material: Stainless steel 304/316, carbon steel3. Surface treatment ... .506302.506352.806403.106453.506503.806554.406604.708507.208608.20 D ring