Camco RV Screen Door Cross Bar allows for easier exit and protection of the RV screen door. It adds a sturdy feel to the door and saves repair to screens. This bar adjusts from 21-5/8" - 28-5/8". It is easy to install and includes hardware. Allows for easier exit and protection of the RV screen door Provides a sturdy feel to your door. Easy installation instructions and hardware included Bar adjusts from 21-5/8" - 28-5/8" Easy to use and durable