Aluminum Black Self-Locking Baby Gate MG-15B from Cardinal Gates with 2 Way Pass Rapid pass through in either direction. Wall-mount. Use in high traffic areas, doorways, stair bottoms or gate across wide spans. Tested and specifically designed for child safety, Cardinal Gates child safety gate systems are the choice of professional baby proofers. Additional accessories include gate height extensions, gate width extensions and optional hardware for installing indoors and outdoors. No plastic parts. Minimum of screws. Quick gate release for removal from side mounts if desired. Tough, powder coated, non-toxic black finish. No plastic parts. One hand latch operation. Slide fit design adjust to precise width needed.Cannot be mounted on an angle. Certified by JPMA Juvenile Products Manufacturing Association . Adheres to standards of JPMA and Consumer Products Safety Commission. Optional extensions and T-bar base Expandable safety gates fill any length or span. Optional installation kits Banister round or square post clamps need 2 per post to avoid drilling holes in wooden posts or secure to wrought iron railings with wrought iron mounting kits. Width adjustments fits openings from 26 inches to 40 inches. Suggested mounted height 29.5 . Actual gate height 27.75 1.75 space from floor . Space Between Side Mount and Frame of Gate up to 2.75 inches. Mount no higher than 4 off floor for toddler safety. Gate height then 31.75 . Bar spacing 2.75 inches.Space Between Side Mount and Frame of Gate up to 2.75 inches. Manufacturer's warranty 1 year for home use, 90 days for commercial use. This item ships from a separate warehouse and may require extra time for delivery.