Traceable Fiberglass Tension spring Ø 7.5 mm with copper core inside, 100 meters

Because of the copper wire, this fibre-optic tension spring can be followed in a sewer with a cable detector, to which a signal can be applied by a signal generator. (For leica, this could be a DA220 or DA230)

Example of use:

Type: 

Weight: 12.9 Kg

Bend radius: 630mm

M12 treth both sides and starting spinner with shackle