Black Tar Painted Stud Link Anchor Chain 1 Grade U2/U3 ... LR, ABS, 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, RINA,CCS, ... your requirment. Specification of Stud Link Anchor Chain: Black Tar Painted Stud Link Anchor Chain