Heavy-Duty Panic Bar for Exit Door: This push bar door lock is constructed from thickened carbon steel with a rust-resistant coating, ensuring high strength and resistance to damage. It complies with UL and ANSI testing standards, enduring over 500,000 cycles of opening/closing tests. It's also fire-resistant and heat-resistant, making it the ideal choice for high-traffic emergency doors. The zinc alloy handle and copper lock core ensure the longevity of the lock, even in extreme conditions. Convenient and Secure: In emergencies, the push bar panic exit device can be easily pushed open from the inside with a hand or another body part. External access requires a key to open the outside door handle. When closing the exit door, it automatically locks, preventing unauthorized entry. It includes a dogging quick-opening design, allowing you to set it to a constant open mode, suitable for large-scale evacuation. High Compatibility: The overall dimensions of this panic bar are 27.5" x 6.1" x 2.6" (698 x 154 x 65 mm). It is suitable for both 28-inch to 41-inch wide wooden and metal doors and can be used on both left and right doors. Please note that it is not suitable for glass doors. Easy Installation: We provide detailed installation instructions, and the lock is pre-drilled and comes with all the necessary accessories. Simply align and install quickly. The enlarged head cover design makes installation even more convenient. Wide Application: The exit door push bar is widely used in various high-traffic areas, providing one-way access to effectively prevent unauthorized entry into buildings. It provides robust security for emergency locations such as shopping centers, hospitals, hotels, office buildings, airports, apartments, banks, factories, and recreational facilities., Weight: 7.94 Pounds, Manufacturer: VEVOR