We bought the lock to secure our kayaks - but used only once. The default setting of the numbers was quite fiddly. Has a long time not working and yet without that was recognizable, why not before and then yet. The castle has only some security against a random thief. More should not be expected. Each side cutter should cut the cable without problems. In any case, you should use the opportunity to "call in" the cable, because similar with some momentum and an intermediate inserted rod should it every able-bodied man by dragging crack. After all, in such a case of theft no longer be denied ... Valuable things out of sight at risk points should be doing by no means secure ...