1 ??2024 ENHANCED SECURITY DESIGN??1, window lock and key separation design, to prevent children or thieves to unlock at will; 2, thickened aluminum alloy material, permanent durability and not deformed; 3, window lock two fixed hole design, so that you can experience a stronger security protection; 4, the lock body widening design, open the window when the blocking area is more solid; 5, the window lock is equipped with a protective washer, to prevent scratches or damage to the window,2 ??EASY TO INSTALL?? Our window lock offer two mounting options for different widths of window trackEach set of window locks comes with a hex wrench and a vertical wrench Both methods are easy to installNo additional installation tools or drilling required,3-step quick installationstep1,place the lock to a suitable positionStep2,Insert gasket protect window track from scratchesStep3,tighten the screws,done!you can easily fix the window lock at any part with the vertical key or hex keys,easy to reuse and re-install,3 ??VERSATILE USABILITY??The window lock is adjustable in width, making them suitable for most sliding window and doors The window locks are versatile enough to be used on most types of sliding window and doors, including living room window, sliding glass window, patio sliding doors, and more They are small and lightweight, making them perfect for travel You can take them with you to hotels or rental properties to enhance the safety of your temporary accommodationsSizeA,SizeB,Size C,SizeE,SizeDABS