Black Tar Painted Stud Link Anchor Chain 1 Grade ... , DNV, BV, NK, GL, RINA,CCS, KR Black Tar Painted Stud Link Anchor ChainGrade: U2/U3Size: 22mm-71mmSurface: Black ... Tar Painte Certificate: LR, ABS, DNV, BV, NK, GL, ... Specification of Stud Link Anchor Chain:Black Tar Painted Stud Link Anchor Chain Black Tar Painted Stud Link Chain Anchor