Options: Locks Safety : The locks is apply for sliding win-dows, sliding doorways ,vertical doorways. Please make sure that your win-dow the peak of observegreater than 0.6 inch (1.5cm) excessive and the width not more than 0.63 inch (1.6cm) earlier than ordering win-dow security locks. Wind-ow Locks with Vertical Key : The sliding win-dow locks include a vertical key, When your win-dow rail is greater than the keyhole, the vertical key may help you lock it simply. Simpleto put in : The sliding win-dow door lock comes with a hex key, modify the Win-dow Gaskets place, rotate the important thing slowly viathe outlet, simplymaintain it on observe with the important thingmanagement. Slowly transferthe important thing out in reverse. Specification: Materials:Aluminum Colour:Silver/Black Measurement:As proven Bundle Contents: 2* Lock Stopper Observe: 1. The trueshade of the merchandisecould also bebarelycompletely different from the photographsproven on web siteattributable to many componentsreminiscent of brightness of your monitor and light-weight brightness. 2. Please permit slight handbook measurement deviation for the info. Observe: 1. The trueshade of the merchandisecould also bebarelycompletely different from the photographsproven on web siteattributable to many componentsreminiscent of brightness of your monitor and light-weight brightness. 2. Please permit slight handbook measurement deviation for the info.