High Quality Materials: Each door push bar is made of high quality stainless steel for a longer lifespan and more durable, the stainless steel material with baked varnish improves the lifespan of the product while also giving it a very bright appearance Widely Used: Grade 1 ANSI Certified panic bar door hardware device, this product can be applied to church, shopping malls, factories, office buildings, hospitals and other emergency places to ensure peoples life safety Function Upgrade: Our panic bars for exit security door is equipped with a reversible function, so that it can be used with left and right hand doors. In addition, it is also equipped with an external operating door bar, which can be safely locked Accessories Description: Our heavy-duty commercial door push rods come with external levers, lever keys, rollers and end caps. Everything you need is in one box. It also includes a detailed installation guide that makes installation very easy Excellent After-sales Service: We have very strict quality requirements for our products and attach great importance to the buyers experience. If you find missing parts or damage after receiving the package, please contact us in time