1/2/3PCS Sliding Sash Stopper Cabinet Locks Straps Doors Security Anti-theft Lock Window Sliding Door Baby Kids Child SafetyName: Aluminum Window Lock Material:Aluminum Alloy Color:Silver Size: 3x2.45cm/1.18x0.96inch(LxW) Weight:36g Applicable scope: Window Specifications:Features: 100% brand new and tremendous It is strong,solid and sturdy, beautiful workmanship, aluminum alloy body that can be reused many times. There is no should install extra tools,it equips a hex key in every single window locks, holding at the track by means of key control. Can be smoothly utilized to most environments;By retaining the home windows in part open and closed, the burglar-proof and thieves can prevent young people from falling and the safety of their families whereas getting better air circulationPackage Included:1* Window LockNotes:1. Measurement of the article lying at the desk could cause slight difference. 2. The genuine colour of the article may be slightly different from the images shown on web content brought on by many factors corresponding to brightness of your monitor and light brightness when photograph taking. Thank you for your understanding!