... D ring 1.Size:customized 2.Certificate: CE, SGS, En14960, En71, ASTM 3.Warranty:3years 4.OEM/ODM:yes Welded "D ... hook, "S" light hook 1. Name: WELDED "D" RING2. Material: Stainless steel 304/316, carbon steel3 ... . Surface treatment: zinc plated or Hot Dipped Galvanized4. Size:M4-M85. Color: gold, nickel, brass, antique brass ... OEM service, and perfect after-sale service SIZE mmI.W. OF EYE mmN.W.kg/ ...