When the door is closed, the lock is inserted from the inside between the lock and the strike plate. This means that the door cannot be opened from the outside or from the inside. No drilling, light weight (stainless steel), immediate safety, easy to use, protected interior of camper for camper door lock, elephant 2, suitable for (bolt spacing 6 cm): Bürstner: all models with one-piece Hartal door and 2 bolts from year of manufacture 2011 Carado: alcoves with one-piece door from year of manufacture 2006 Carthargo: all alcoves with one-piece door from year of manufacture 2010 Chausson: all models with one-piece door from year of manufacture 2011 Challenger: all semi-integrated and alcoves with one-piece door from year of manufacture 2011 CI: Alkoven model MIZAR and one-piece door from year of manufacture 2011 Eura Mobil: Alkoven Profilia and Terrestra with one-piece door from year of manufacture 2011 Karmann: A models with one-piece door from year of manufacture 2006 Knaus: Sun Traveller, Sun TI with one-piece door and 2 bolts from year of manufacture 2005 Sunlight: alcove with one-piece door from year of manufacture 2011 Dimensions (W x D x H): 6 x 0.2 x 12 cm. Weight: 50 g