Munchkin Safety Gate model MK0004 (same as 31281) is strong all steel construction and 36" tall when installed and comes with extenders to fill from 29-1/2" up to 56" width. Double-locking system, has a patented tilt mechanism that puts less stress on walls. Has quick-release so you can detach the gate when you have company over. You may have seen in stores $100 plus tax, is new and unused in the box with all hardware.