WIREWAY/HUSKY Folding Steel Pivoting Single Security Gates for Wide Doorways - Gray Folding-Security Gate- Expands To 5.5' Wide x 5' High - Retracted width: 9.1" Enhance security and control access, but dont obstruct air flow or light Can be recessed or surface mounted, brackets included Sturdy 3/4" steel channel constructionLift and turn locking mechanism accepts a padlock with up to a 1/2" dia. shaft Expanding the gate will cause a 331/2" gap between the gate and floor, over-extending the gate will increase this gap.