Lindam sure shut orto stair gate max 138cm with extensions with an automatic closing mechanism simply release the gate from the open position and it will close itself extendible this gate is extendible from 75 cm right up to 138 cm using add on panels and here at babysecuritycouk it couldnt be easier to choose the right combination simply use the extend to options above to select the width of your doorway or opening and we will choose the correct panels for you please note this gat