Окно детского замка регулируемое сползая запирает алюминиевый замок ключа безопасностью

Locks Security for sliding windows, sliding doors, and vertical doors. 
Protective Window Gaskets
Vertical Key
Easy to install: The adjustable sliding window locks come with a hex key, adjust the window Gaskets position, rotate the key slowly through the hole, and just keep it on track with the key control. 
Slowly move the key out in reverse.