One iron u-shaped hook with a horizontal bar on the end og the hook is attached to the end of a long oblong link on other end; there are 49 links including 2 oblong on either end.
Lexicon
Nomenclature 4.0
Nomenclature Primary Object Term
Chain, Marine
Nomenclature Sub-Class
Water Transportation Accessories
Nomenclature Class
Water Transportation Equipment
Nomenclature Category
Category 07: Distribution & Transportation Objects