The Stairway Special Gate (Model SS 30) is our maximum safety gate designed for the top of a stairway it"s great for all areas. Features include a latch system that baffles toddlers yet allows one hand operation for adults, and an optional stop bracket prevents opening over a stairway for greater safety. The Stairway Special will mount at angles up to 30 degrees allowing location of a stud when mounting on drywall. The gate is constructed of aluminum which is lighter weight than steel and rustproof. A powder coated finish provides a long lasting, easy to clean surface and is available in White and Black. If you"re using this gate outdoors, we recommend the purchasing a stainless steel hardware pack (sold separately). Gate Dimensions: Gate width is adjustable 27"– 42.5" Height 29.5" Bar Spacing 2.5", 10.5" extension (Model BX1) is available for openings 42.5" to 53", 21.75" extension (Model BX2) is available for openings 42.5" to 64"