Description: MaterialCasement Stay Window Latch Lock is made of stainless steel, rust resistant and sturdy structureSize InformationStainless Steel Casement Stay Adjuster (length) measures approx 18cm/7.09inch, length after stretching 29cm/11.42inchVersatile Adjustment with Knob DesignThis window stay features a 6 position adjustable knob, allowing you to set the window opening angle according to varying wind conditions. It ensures stability even in strong winds, keeping your windows securely openFunctionThis window latch can keep the windows from blowing open in wind/ storms, knob tightens to adjust the hold opening positionApplicationHeavy Duty Window Hinges widely used in areas like residential buildings, hotels, and other commercial locations, ideal for both DIY enthusiasts and professionals Package Includes: 1 Casement Window Stay Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.