Abstract: A non-handed shock arrestor is provided for pivotally mounted doors, and it includes a frame member with a pivot plate portion with pivot apertures adjacent either end thereof, and it is disposed horizontally on the door frame with one of its pivot apertures aligned with the hinge pins. The frame member also has a mounting portion extending perpendicularly to the pivot plate portion with apertures therein seating fasteners which secure the frame member to the face of the door frame. The arrestor also includes a door member with a pivot plate portion with pivot apertures adjacent either end thereof aligned with those of the frame member, and disposed horizontally of the door. It extends over the hinges. The door member also has a mounting portion intermediate the ends of the pivot plate portion extending perpendicularly thereto, and having apertures therein seating fasteners securing the door member to the face of the door.