top closer, door closer, with all accessories, similiar with MBC brand. with open/closer test 400,000 times. bearing door 130kg 1) All V- ... without damage to ensure safety&dutability.2 )Fully concealed door closer,which beautify your home by installing unde the door frame3 ... anle at 90degrees or 105degrees when isstalling the door closer.6) Each door closer has side arm& spinnd axis (down).7) Features ...