This easy to install aluminium Patio Door & Window Lock Cylinder by Asec, supplied with 2 keys and fixing screws, is ideal for secondary home security.
The Ingersoll PDL1 is a push bolt lock suitable for use on wooden or aluminium sliding patio doors. Once locked the key is used to unlock the bolt.
The ERA 100 Patio Door Lock can be fitted to most types of patio doors or windows.