Features and advantages: Available with anti-panic functions: ‚¬â€œ passage function D ‚¬â€œ latch-lever E Suitable for fire rated doors. Through-fixing of standard door fittings such as escutcheons or short backplate sets possible. Fully enclosed lock case ‚¬â€œ dirt or other foreign bodies cannot obstruct the easy operation of the lock. Easy assembly due to easily accessible bore for cylinder fixing screw. Various forend types. Application: Fire protection doors Technical description: Profile cylinder lock with anti-panic function E (latch lever function) or D (passage function) Prepared for the installation of locking cylinders to EN 1303 and DIN 18252. Fully enclosed lock case. Steel deadbolt, nickel plated; 2 x 10 mm double throw. Steel latch, nickel plated. Technical data: Steel follower: 2-part; 9 mm square Centres: 72 mm Backset: 55, 60, 65 and 70 mm Rear backset: 32,5 mm to top