Visual defects localizer fiber VSP-03 is used to test and detect damage of single-mode and multimode optical fibers and components.Has a removable nozzle 2.5 mm and 1 mm .25 for standard and compact types of connectors. The powerful laser used in this device allows you to check the fiber length of up to 3 kilometers. The compact size ensures easy operation and allows the use of this tool in the everyday maintenance of optical lines.