Features and advantages: Fully enclosed lock case ‚¬â€œ dirt or other foreign bodies cannot obstruct the easy operation of the lock. Various types of forends available. Application: Double swing doors. Technical description: Profile cylinder lock. Fully enclosed lock case, galvanised. Brass roller latch, adjustable from the front, setting range 4 ‚¬â€œ 12 mm. Zinc diecast deadbolt, 2 x 10 mm double throw. Technical data: Backset: 55 mm Rear backset: 33 mm