EXTERNAL LOCKING LOCK is fitted as a first but also as a second (additional) lock on each sliding sheet. It is 10.5 mm thick.
Provides maximum mechanical safety because the kit is screwed with four screws that catch and the steel pendulum.
It is recommended by all insurance companies, even the police, against burglary.
It is very easy to install at any height and still serves to keep small children out of the balcony.
The main advantage is that it looks from afar if it is secured or not, so do not forget the unsecured balcony doors when we leave, or even when we are in.
Has passed “HURRICANE” TEST in U.S.A. with the greatest success and proved the strongest sliding lock since 2002.