Bought the locks were to complete the boat trailer. Worked the first few times also super until the lock began to hook. Bissl oil into the lock and on it goes. After some time it hooks again and then oil brings nothing more. With a bissl exercise and momentum to master the matter that way. Nevertheless, the fear is buzzing with that at some point no longer aufbekommt the castle and you have to take a bolt cutter with water.
The first castle is still half a year later still in use.
Contingent purchase recommendation, as confidence each time dwindles