Navman have promised to replace them but non available for the next couple of months as Navmen New Zealand are redesigning the guts of the units to overcome the problem.
Looks like a season of using the keel as a depth sounder.
We have these ridiculously inadequate blocks with a v cut into the metal to grip the backstay, outhaul and the kicker. The one on the backstay does the job but the outhaul is a waste of damn space and the kicker is not much better. I keep wanting to have closer look at other boats of the same size but it's usually as we return to the boatyard and SWMBO wants to head for the A3.