Holders/Stops Offering a variety of functions and degrees of opening in both surface and concealed mounts, SARGENT overhead holders and stops are used to extend the life of the door, frame, and door closing devices on an opening. 590 Series Heavy Duty Overhead Surface Mount 690 Series Heavy Duty Overhead Concealed Mount 1540 Series Standard Duty Overhead Surface Mount 1530 Series Standard Duty Overhead Concealed Mount