Install: Close or open the window before installing the window stop block; insert the leg tightly into the window groove, turn the knob clockwise until the product is fixed. Use 2 locks in heavy windows/doors to increase security.
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4 Pack Adjustable Sliding Window Locks Window Wedge Window Stop for Home Office
Install: Close or open the window before installing the window stop block; insert the leg tightly into the window groove, turn the knob clockwise until the product is fixed. Use 2 locks in heavy windows/doors to increase security.