Control access to secured enclosures with a hand-turn door latch built for physical security use cases. With a 4 in, 100 mm format, it is suited to installations where manual closure and straightforward access management are preferred over more complex mechanisms. For infrastructure and facilities teams, this kind of latch matters because enclosure security is only as strong as the hardware that closes it. A quarter-turn style latch supports quick operation while helping maintain a secure barrier for cabinets, panels, and other controlled access points. That makes it a practical fit for network rooms, test areas, and equipment enclosures where repeatable access is part of daily operations. Compared with generic latch hardware, a model identified for Fluke Networks environments gives procurement teams a clearer path to specification and replacement. It is the kind of component that supports uptime, order, and access discipline without introducing unnecessary complexity.