The lindam 14cm sure shut safety gate extension can be used in conjunction with the lindam easy fit plus deluxe sure shut axis sure shut orto sure shut porte stair gates the extension helps to ensure a perfect fit for openings wider than 89cm up to a maximum width of 117cm see extensions guide from more informationfeatures14cmsuitable for use with the lindam easy fit plus deluxe sure shut axis sure shut orto sure shut porte safety gates