Sliding Sash Stopper Cabinet Locks Straps Doors Security Anti-theft lock Window Sliding Door Baby Kids Child Safety Doors Lock Features: 1. High security lock sliding window tool 2. Instantly lock sliding home windows and doors - no drilling or tools needed 3. Place on window or door music & tighten thumb screw; lock shut or allow partial opening 4. Prevents window from being forced or pried open from outside; easy removal and reusable 5. Fits most vertical or horizontal sliding windows & many sliding doors to 2.5-4cm(Approx 1''-1.57'') track-rim width(Adjustable) 6. Material: Iron+zinc alloy, rubber 7. Size: about 6 x four x 2.4cm/2.36 x 1.57 x 0.94in Package Included: 1 x Sliding Window Safety Lock