ACCOMODATES MOST OPENINGS: Babelio 26-43" hardware mount baby gate is specifically designed for stairs and bannisters, and the width of the safety gate can be adjusted to fit top or bottom of stairs, doorways and hallways. And 28 inch tall make it perfect for toddlers and medium pet. AUTO-CLOSE: For added hands-free convenience, it is equipped with an auto-close feature that gently closes the door and a stay-open feature that keeps it open. It can be opened easily with one-hand operation. EXTRA WIDE WALK THRU DOOR: Unlike pressure-mounted gates, the hardware mounted gate will open the full width of the stair for easy walk-through; and the sill-free design minimizes tripping. SAFE AND FIRM: Using all-steel material and double lock design, not only resist the impact of pets but also prevent children from opening the door.