The Lock-it Block-it is an adjustable window Home Security and Safety bar. This burglar proof and childproof home security device is designed to keep windows OPEN at a safe height and SECURED. Block children from falling out of open windows. Block criminals from climbing in through open windows. The device offers what every security experts recommends - a physical way to secure your home windows. Two devices per package. Used to secure Single Hung Windows, Sliding Windows and Patio Doors. Intruders can't reach it from the outside when properly installed and adjusted. Children can't reach it (when furniture isn't near the window). Also used as a secondary window lock when windows are closed. Adjustable - extends from 17 inches to a maximum of 2 feet 6 inches long. The device sits in the window track or on the window sash with the head wedged into top corner of the window making it impossible to move. Supplied adhesive strips hold the device firmly in place. When the window is lowered, the device doesn't fall out. Made of two high-impact strength rectangular PLASTIC cylinders for a combined thickness of two nickels. Cylinders are locked together by a double-headed push pin. Rubber end caps for scratch protection. A series of 13 adjustable settings allows for windows to be Locked Open from 1 inch or more. Its smooth white finish blends in with the window and doesn't block the view. No tools required. IMPORTANT - MEASURE before buying - 1) Device will not fit in tracks narrower than 1 inch wide. 2) The device extends to maximum of 2 feet and 6 inches. 3) Fits windows 3.5 - 5.5 feet high & patio doors 5.5 feet wide. Measure from top window track to bottom window track - see photo. 4) Press the bottom pin head to adjust the device. 5) Not suitable for double-hung windows if the purpose is to prevent burglaries. 6) All three velcro strips must be used to prevent device from falling from the window. 7) Check device periodically to make sure it is still adhered properly.
- HIGH-IMPACT RESISTANT, INDUSTRIAL GRADE DURABLE PLASTIC (ABS & PVC): Our window stopper provides a strong, reliable barrier to prevent intruders from entering through open windows or sliding patio doors. Designed to withstand repeated force, they allow windows to remain open while securely blocking access. Our burglar door stopper works great with window alarms, as alarms alone aren't enough to stop intruders.
- EXTENDABLE & ADJUSTABLE: Customize your window opening with 13 adjustable settings, making our adjustable window security bar perfect for single-hung windows, sliding windows, and patio doors. Once the window makes contact with our window lock bar, it’s stopped from moving any further, providing added window protection from burglars.
- QUICK & EASY INSTALLATION: Installing our sliding door security bars is quick and hassle-free—no tools needed. The included adhesive strips securely hold it in place within the window track and It doesn’t fall out when the window is lowered and can be easily removed in emergencies. Our door safety bar is great alternative to unsightly wooden blocks that doesn’t adjust.
- ANTI-THEFT AND CHILDPROOF WINDOW SAFETY GUARD: Our theft-deterrent window bars feature a distinctive double-headed push pin, adding extra resistance against forced entry. The adjustable cylinders are as thick as two nickels for optimal strength. Once installed, it stays out of reach from burglars, providing reliable window safety locks, and helps prevent children from accidental falls.
- MEASURE YOUR WINDOWS: Before purchasing, measure your window or door to ensure the correct fit. Our adjustable window bar lock extends from 17 inches to 2.5 feet, with options for extra-long or king-size for larger openings. Ensure the track is slightly wider than 1 inch, as our window stopper measures 1x1 inch on all sides. Even when fully closed, there may be a small gap in some windows, but it still effectively blocks the window from opening further.
- HIGH-IMPACT RESISTANT, INDUSTRIAL GRADE DURABLE PLASTIC (ABS & PVC): Our window stopper provides a strong, reliable barrier to prevent intruders from entering through open windows or sliding patio doors. Designed to withstand repeated force, they allow windows to remain open while securely blocking access. Our burglar door stopper works great with window alarms, as alarms alone aren't enough to stop intruders.
- EXTENDABLE & ADJUSTABLE: Customize your window opening with 13 adjustable settings, making our adjustable window security bar perfect for single-hung windows, sliding windows, and patio doors. Once the window makes contact with our window lock bar, it’s stopped from moving any further, providing added window protection from burglars.
- QUICK & EASY INSTALLATION: Installing our sliding door security bars is quick and hassle-free—no tools needed. The included adhesive strips securely hold it in place within the window track and It doesn’t fall out when the window is lowered and can be easily removed in emergencies. Our door safety bar is great alternative to unsightly wooden blocks that doesn’t adjust.
- ANTI-THEFT AND CHILDPROOF WINDOW SAFETY GUARD: Our theft-deterrent window bars feature a distinctive double-headed push pin, adding extra resistance against forced entry. The adjustable cylinders are as thick as two nickels for optimal strength. Once installed, it stays out of reach from burglars, providing reliable window safety locks, and helps prevent children from accidental falls.
- MEASURE YOUR WINDOWS: Before purchasing, measure your window or door to ensure the correct fit. Our adjustable window bar lock extends from 17 inches to 2.5 feet, with options for extra-long or king-size for larger openings. Ensure the track is slightly wider than 1 inch, as our window stopper measures 1x1 inch on all sides. Even when fully closed, there may be a small gap in some windows, but it still effectively blocks the window from opening further.
