Adjustable for the same doors, progressive damping, adjustable closing speed, with reinforced joint reinforced link and longer roller arm ensure a long service life even with extremely large, heavy doors and swing doors. thanks to its progressive damping properties, it reliably brakes doors even when mounted further from the door hinge. available only with nickel-plated surface mounting options thanks to versions suitable for a wide variety of doors and mounting situations from 20 to 115 n: can be used on both open and rear doors due to the different hooks. welding plates are available for narrow steel frames. large base plates available for dunn wall steel doors Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.