The lindam 28cm 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 103cm up to a maximum width of 117cm see extensions guide for more information featuressuitable for use with the lindam sure shut axis white stairgate lindam easy fit plus deluxe sure shut orto sure shut porte lindam sure shut axis safety gates 28c