Restricts access to shipping/receiving areas, office buildings, retail outlets, etc. Remains 78 1/2"H whether gate is folded or expanded. Installs quickly between two walls without anchors. Pressure lock system keeps unit in place. Rolls on heavy-duty swivel casters. Multiple units may be hooked together for wider applications. Electrogalvanized finish. Includes padlock hasp (lock sold separately). Made in USA.