An exit device also known as a panic bar, crash bar, panic device or a push bar is a device for unlocking a door during emergency conditions. The mechanism includes of a spring-loaded metal bar fixed horizontally to the inside of an opening door. When the lever is pushed, it activates a mechanism which unlatches the door allowing occupants to leave quickly from the building.

It is engineered for applications in high-use, high-abuse situations, PDQ exit devices can be used with a variety of trims to provide desired functions, styles and finishes in new construction and renovations. PDQ exit devices allow safe and easy exit, and are the perfect choice from educational to hospitality to healthcare.