【DURABLE SECURITY GATE】- This metal security gate is built by heavy-duty 3/4" 14 gauge channel steel with a black powder finish to enhance durability. Its exclusive non-interference design guards your properties safely and effectively prevents unexpected intrusions. 【DOUBLE FOLDING DOOR】- The double folding gate has a retractable door width structure with a height of 85" H. Retracted Collapsed width: 8". Expanded width: 150". The standard size is suitable for use as safety doors, barricade gates seeking protection, and defend. 【FLEXIBLE ROLLING CASTER】- Designed with rolling casters in the bottom to swing up to 360 degrees and with lock designs to fix the position. The side-folding door can stay in an unobstructed clear-opening state or complete closed condition. Such a smoothing rolling security gate brings you convenient transport and storage. 【EASY LOCK & INSTALLATION】- The fence security gate has a hasp for locking, and the door kit comes with keys to using accordingly with the lock. A set of mounting tools is included to provide a breeze installation and hassle-free use for you. 【WIDE RANGE APPLICATION】- It is widely used at home and industrial places to close or lock off an area while maintaining its visibility and allowing unobstructed air circulation, adding security for the basement, garage, storefront, etc.