Marine anchor: 1.Material: Steel ZG200-400 2.Weight: 50KGS-30000KGS 3.Certification : CCS, LR,GL,KR,BV Marine anchor:high quality,low price surface:hot-dip galvanizedMaterial: Steel ZG200-400Weight: 50KGS-30000KGSCertification : CCS, LR,GL,KR,BVDelivery time :30~60 days after receipt of your confirm order