Abstract: A magnetic coded lock mechanism which includes a key having a plurality of recesses and a plurality of permanent magnets properly coded around the key body, a cylindrical plug having a keyway aperture, a plurality of main apertures as passages, which contain movable key pins, a plurality of auxiliary apertures as magnetic locking passages corresponding to coded key, which contain movable magnets, a plurality of fixed magnets coded around the cylindrical plug as the way for biasing the magnets and locking pins toward the keyway, and a stationary tubular cylinder having a longitudinal aperture disposed in the center for receiving the cylindrical plug, a plurality of radial main apertures as passages for mating with the main apertures of the cylindrical plug, each passage containing a driver pin with a coil spring, and radial auxiliary apertures as passages for mating with the auxiliary apertures of the cylindrical plug, each passage containing a locking pin, whereby in a locked position, the driver pins and loc