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 shown Wide 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 window Package Includes: Children's protective window lock ×1 note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.