Maximex Door handle chain lockable.

More safety: the Maximex door handle chain provides optimal protection for house and entrance doors or apartment doors; the chain is lockable and can be unlocked from inside and outside Easy to use: no drilling of the door is required for mounting the door handle chain; the locking ring can be easily hung on the door handle; ideal for rented accommodation, metal or glass doors The sturdy chain easily and effectively prevents unwanted penetration; the door gap allows you to check who is in front of the door Dimensions (W x H x D): 30 x 7 x 2.5 cm allow for use on a wide range of doors, unlocking with a key