The mounting height of 0.5mm is the lowest profile FPC connector in the industry. DDK's original rotate oval cam lock mechanism; "Back-lock" system ensure the reliable connection. DDK's cable lock mechanism provides positive retention of FPC. The contact position is upper contact. Back-lock structure ensures retention from inadvertent upward pulling of the FPC Connectors are delivered with the lock lever opened resulting in assembly time savings during FPC insertion. Nickel barrier prevents sold.