Good quality and shortly delivery time. Anchor chains approved:ABS.DNV,LR,GL NK CCS certificate,etc... Marine Stud Link Anchor Chain: 1. ... G80 , or according to your requirement3. Grade : U2&U3 stud link anchor chains4. Surface treatment: self color, black painted, zinc ... BV,NK,GL,DNV,RS,IRS,CCS; Specifications:Common Link Enlarged LinkD shackle connection:Kenter Shackle connection:Production Flow: ...