Description Safety breakaway cable for use with caravans and braked trailers, the cable is attached to the handbrake system and clipped to a mounting point on the towbar (or wrapped around the towball where no other mounting exists). In the event of the trailer or caravan uncoupling, the cable pulls the handbrake on before snapping, to bring the runaway trailer or caravan to a stop. Applies handbrake in the event of a runaway caravan or trailer . Snaps once brake applied to allow the runaway trailer to stop separately from the towing vehicle . Suitable for braked trailers and caravans only - not for use as a second . Size 2mm x 1m