A420-065924-00 is part of the Guardian Electric manufactured line of enclosures. It is a door closer, designed to shut a door securely once it is opened, preventing unwanted drafts and restricting access to certain areas. The door closer includes an arm with two mounting holes for a secure installation. It also features adjustable spring tension for easy application to a variety of different door types and weights, making it excellent for use in commercial applications. The closer can be used for both interior and exterior doors, and is UL listed for safety and performance.