Marine Kenter Shackle 1.Grade 2 or Grade 3 2.Dia. from 22mm ... .:LR,BV,CCS,GL,RINA,NK,KR and DNV Marine Kenter Shackle Kenter shackle (22mm--81mm) manufacture, with LR, BV, CCS, GL, RINA ... , NK, KR or DNV approval. High-tech craft and equipment, long ...