+ Very solid and reliable design
+ Lock smoothly
+ Not simply with a nail or the like to open as 5-pin cylinder with mushroom head pins
+ Universal size, so versatile
+ Keyed alike locks possible; we have 4 pcs our keyring and brain;) sake [1]
+ Minimal maintenance; from time to time a drop of penetrating oil reaches
+ Price (comparisons recommended) excellent / performance
highly recommended
Note .:
[1] This castle is also alike = 1 key for up to 4 locks :) as Twin / 2, Triple / Quad or 3/4 pieces available!)