1)Our boat anchor chain is of superior quality and competitive price (2)Approved by ... ,DNV,GL,CCS,IRS,KR,NKK (1) Our boat anchor chain is of superior quality and competitive price(2)Approved by ... ,CCS,IRS,KR,NKK The datailed data is as follows:Chain DiameterDimensionWeight(kg/mtr)Weight(kg/25mtrs)Strength testOutside lengthOutside widthProof ... for you.We look forward to your enquiry! Boat Anchor Chain