1).magnet,using for door stop,door holder,door catches 2).magnet Dia22mm or Dia25mm 3).with hole and sunk for screw 4 ... ).NiCuNi We are factory special in making magnet ,the door magnet is useing for door stop , door holder, door catches, door ... latch magnet. - size can be small to bigger ( dia10mm to 25mm) - with a hole and countesunk ...