Sliding arm FD494 Free-swing angle adjustable up to 180°. Closing force size EN 3-4. Doors up to 1100 mm wide. Specifications Type of product Mechanical guide rail Door leaf Single leaf Hold open function No Close Sliding arm FD495Sliding arm with free-swing function. Mounting plate DC112Angle mounting plate for FD110 and FD111. Connecion box FD145Connection box for door leaf installation.