Milenco - Universal Security Door Lock - MIL4718High security door lock, which locks from both inside and outside with countermeasures against bump keys. Can be locked in both open and closed positions. This new improved design only requires a 30mm gap between the door frame and furniture at wallboard level (the handle only requires 50mm to turn.) Handle only projects 33mm away from the inner wall surface ensuring this lock now fits most caravans and motorhomes either portrait or landscape