The Auto-Lock Gate by Cardinal Gates is a well made gate for high traffic areas. Cardinal Gates have been tested and are specifically designed for your child's safety. Cardinal Gates are designed to be installed easily with a minimum amount of time, the least amount of screw holes, and without elaborate and difficult instructions. Cardinal Gates are all metal, premiere gates, and the choice of baby proofers nationwide. Features Include: Patented Auto-Lock latch allows rapid pass-through in either direction Quick simple installation Powder-coated, lead free, finish provides a long lasting easy-to-clean surface All Aluminum construction, lighter weight than steel, rustproof Fits openings 26" to 40" with an installed height of 29.5" Gate width is adjustable to 50.5" to 61.75" with additional extensions (sold separately) Available in White and Black