These are not the track links of a tank, although it may appear so. This is a flexible conduit for those mobile cables.
They are mainly used in 3D printers, CNC machines or in equipment cables that go in racks on a removable tray
This specific cable carrier offers internal dimensions of 10 mm (height) of 30 mm (width), an outer width of 37 mm and a radius of curvature of 20 mm
Internal height: 10 mm
Internal width: 30 mm
External height: 14
External width: 37mm
Minimum radius of curvature: 20 mm
Reinforced nylon structure