[Offer Safety to Children or Pets] Window restrictor hooks are designed to limit the opening of a window to 100mm, helping prevent children or pets from falling or climbing out, enhancing safety. [Easy Installation] Requires only a screwdriver to install the restrictor locks onto the window; includes screws and an operation manual for quick setup. [Durable 304 Stainless Steel] Made of high-quality 304 stainless steel with excellent corrosion resistance, high toughness, and rust protection for extended service life. [Reasonable Design] Can be released to allow full window opening when needed and automatically re-engages the restricted position when the window is closed, offering convenience and security. [6PCS Right Handed + 6PCS Left Handed] Package includes 6 right-handed and 6 left-handed window restrictors, suitable for various window types; ideal for homes, kindergartens, schools, and other safety applications. Name: Window Restrictor Locks Color: Silver Material: Stainless Steel Package Contents: 6 x Right Handed Window Restrictor Locks 6 x Left Handed Window Restrictor Locks 48 x Screws 12 x Safety Fixing Pins Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm. Only the items listed above are included.