Black Painted Grade 2 and 3 Kenter Shackle 1.Grade 2 or Grade 3 2.Dia. from 22mm to 81mm 3.Cert.:LR,BV,CCS ... ,GL,RINA,NK,KR and Black Painted Grade 2 and 3 ... DNV approval. High-tech craft and equipment, long history of manufacturer. 1.Grade 2 or Grade 32.Dia. from ... .Cert.:LR,BV,CCS,GL,RINA,NK,KR and DNV5.Export to every corner around the sea6. ...