Two Probes with Cable and two Clips Kit PN 4001033 ( old PN 3012618 )
Also, now listed on Fleck part number 61893.
Limit of no more than 2 per customer.
Most commonly used in Pro Elite Analyzer Water Softener System that uses the Logix 716 control board.
If your connections are all "good", and you are getting an ERR6 error code, then it's likely time to replace these probes.