ITEM NAME:5Pcs/Set Sliding Door Anti-Theft Switch Lock Sliding Window Blocker Straps C9M7 ☆★ Product Details ★☆ 5Pcs/Set Sliding Door Anti-Theft Switch Lock Sliding Window Blocker Straps C9M7 1. High security lock sliding window tool 2. Instantly lock sliding windows and doors - no drilling or tools needed 3. Place on window or door track & 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 inch-1.57 inch) track-rim width(Adjustable) 6. Material: Iron+zinc alloy, rubber 7. Size:6*3.5*3cm Color: brown Package Included: 5* window locks