Features: Strengthened Child Security: Specifically developed to stop children from unintentionally opening window, this window hook ensures a defended residence setting, providing ease for mother.Denial Drill Installatparticlemail: Highlighting a denial drill plan, this window hook might easily installed lacking the need for complex tools otherwise approaches, preserving the integrity of your window skeletons.Wide Agreement: Twelve hundred window thicknesses of 0 15mm and pulls with diameters under 20mm, this hook is flexible and accommodates various varieties of external opening casement window.Permanent Aluminum Substancemail: Constructed from excellent aluminum alloy, this window hook proposals excellent durability and oxidation resistance, ensuring permanent execution in strong conditions.Limited Opening Functparticlemail: In addition to locking, this window hook furnishes a limited opening feature, allowing controlled ventilation while maintaining security.Specifications: Component: aluminum alloy,Size: As shownWide ranges of application: This window lock is suitable for window with a thickness of 0-15mm and is suitable for window handles with a diameter of less than 20mm. It is widely used in all kinds of external casement windowPackage Includes: Children's protective window lock ×1note: Please allow 1-2cm errors due to manual measurement.Please allow for slight color differences due to different display resolution.