The Stabilit toilet mortise lock is suitable for use in DIN right-hinged bathroom doors with a rebate. The lock has a distance standard of 78 mm, which describes the distance between the toilet set attachment and the 8 mm nut made of plastic. The backset, which describes the distance between the cuff and the hole, is 55 mm. The round, 24 mm wide cuff is made of metal. A plastic latch and a single-turn plastic latch ensure that the door closes securely with the Stabilit toilet mortise lock.