Fastening systems of metal comprised of concrete screws made of metal, metal connecting pins, metal profiles, metal profile end caps and profile covers made of metal; fastening systems of metal comprised of metal clamps, concrete screws made of metal, metal connecting pins, metal profiles, metal profile end caps and profile covers made of metal for clamping glass panes; strap-hinges of metal; metal mounting brackets for general use; metal profiles for arranging devices on and in walls, floors...