Features and advantages: Fully enclosed lock case ‚¬â€œ dirt or other foreign bodies cannot obstruct the easy operation of the lock. Various forend types available. Application Internal doors. Technical description: Profile cylinder lock. Fully enclosed lock case, galvanised. Zinc diecast latch. Technical data: Follower: plastic; 8 mm square Backset: 55 mm Rear backset: 32,5 mm