Aluminum Alloy Door Screen Window Lock Stopper Sliding Window Anti-theft Door Protective Lock Baby Child Pet Safety Lock BuckleName: Aluminum Window Lock Material:Aluminum Alloy Color:Silver Size: 3x2.45cm/1.18x0.96inch(LxW) Weight:36g Applicable scope: Window Specifications:Features: one hundred pc brand new and fine It is strong,solid and sturdy, exquisite workmanship, aluminum alloy frame that may be reused many times. There is no need to install extra tools,it equips a hex key in each window locks, holding the song via key control. Can be smoothly applied to maximum environments;By protecting the home windows partly open and closed, the burglar-proof and thieves can stop teens from falling and the security in their families whereas getting better air circulationPackage Included:1* Window LockNotes:1. Measurement of the item mendacity the table may cause slight difference. 2. The real colour of the object may be slightly diversified from the photographs proven web page caused by many points equivalent to brightness of your display screen and light brightness when photo taking. Thank you in your understanding!