If you're using this gate outdoors, we recommend the SS-30D, our Outdoor Stairway Special with all stainless-steel hardware.
Gate Dimensions: Gate width is adjustable 27" to 42 ½" Height 29 ½" Bar Spacing 2 ½" 10 ½ extension (Model BX1) is available for openings 42 ¼" to 53". 21 ¾ extension (Model BX2) is available for openings 42 ½" to 64".