Locking system for locking article with slot

The lock mechanism slides into the lock slot and locks into place with a key-operated or combination mechanism This mechanism is attached to a sturdy cable

It sure looks like some type of locking mechanism but no one seems to know what it is for The coupler is marked CL4 2 AL-KO Elkhart, IN) I contacted AL

slot machine symbols png Key slot locking support post is supplied in natural nylon 66 RMS-01 material It is suitable for fixing over key slot and provides perfect locking of

slot m2 sata The automatic locking mechanism has a guide slide slot in the bottom board, a sliding rod capable of moving longitudinally in the slide slot,