Window stopper, lockable window stopper in 2 parts, window stopper, adjustable in several stages, suitable for most windows

Security Lock: This window stopper features a security lock. After unlocking, you can easily adjust the window angle to your liking. A key is required to unlock it, ensuring theft protection even when you're away.

High-Quality Material: This window stopper is made of high-quality steel, making it durable, wear-resistant, and rustproof.

Multi-Stage Adjustment: The window stopper offers five adjustable positions, allowing you to control and adjust the window opening angle for optimal ventilation.

Easy Installation: Each PVC window stopper comes with five screws. Installation is a breeze with just a screwdriver.

Compatible with Most Tilt Windows: This window stopper allows you to adjust the angle of most tilt windows. Thanks to its robust construction, it can be mounted on window frames made of various materials.