The lock body is made of solid brass and hardened steel bracket has a diameter of 6mm. Thus, it fits perfectly into the standard shed locks (available at hardware stores). These locks can for years outside their function offspring (own experience). The individual cam parts are protected against corrosion largely, or of corrosion-free materials.
The advantage of this castle is the automatic locking function. You have to unlock only that wandering of by simply pushing down the shackle.
5 stars for the set.