Our A Perry locks are available for doors of 50mm or 70mm thickness - the barrel length. They are also available in variants for single side locking (from one side only)
and double side locking (the lock can be locked and unlocked from both inside and outside). The single side locking versions can be opened from the inside by
pushing a pin on the lock.
The downside to this is that an intruder can exit without a key. For this reason we recommend double side locking locks for garages and gates that require higher security.
Finally they are available in keyed alike versions where all the locks you buy can be operated with one key - this is especially
useful if you have multiple sheds or gates. These locks are highly secure, flexible and simple to fit and offer excellent value for money. The video below shows a
double side locking version.