DESC: We found a pressure-mounted gate...for stair tops! What an innovation! This rock-solid gate secures so tightly, you can use it to barricade a staircase! No hardware required--just turn the locking hand wheel for a budge-proof fit. Very sturdy metal construction. Opens with one-hand; closes automatically with an audible """"click" """. Expands to fit openings 29?""""-39" ;"""W or more, thanks to easy, slide-on Extensions (available in 3"""", 5?"""", or 14"""" widths). 30""""H.