It is not about the caterpillar links of a tank, although it might seem so. This is a flexible gutter for those mobile wiring.
They are mainly used in 3D printers, CNC machines or in equipment wiring that go in racks on a removable tray.
This specific cable carrier offers 10mm (height) 15mm (width) interior dimensions, 22mm exterior width and 20mm bend radius.
Inside height: 10mm
Inside width: 15mm
Outside height: 14
Outside width: 22mm
Minimum bend radius: 20mm
Reinforced nylon structure