[Easy to operate]: This window lock can block the opening angle of window strips and balcony doors. It can control ventilation and adjust the window opening as needed.<br> [Safety hook design]: The window limiter ensures enhanced stability and prevents easy removal, with a key safety function to prevent accidental window opening and potential falls.<br> [Material]: The window wind hook is made of high-quality materials to ensure durability, durability and service life. It prevents impact or opening of windows on windy days, improving comfort and safety.<br> [Smooth surface]: The window opening and closing protection device is treated with high-temperature varnish baking to create a smooth appearance, strong gloss and delicate touch.<br> [Scope of application]: This window guard is suitable for various types of windows, including folding or rotating windows. It can lock the window at different opening angles to prevent accidental impact.<br> Colour:Black<br> Material:Carbon Steel<br> Package Contents:<br> 3 x Window stopper<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.