new old stock vintage YKK brass zippers, full open metal zips w/ navy blue tape

Lot of 32 unused vintage YKK zippers, brass metal on navy blue. These are the sort that can come apart completely, like jacket zippers.

The measures 11 1/2" long over the metal teeth, 12 1/2" over the tapes. All are in very good condition, new old stock sewing notions.