DORMAKABA DK - EXPERT plus US - System safety inserts - BT4 Door locks | Door accessories The maximum extension is 18

The maximum extension is 18 mm

Door lock with hole for interior key (BB) with dimensions of lock face length 196 mm

leaving room for the design of the handle itself to stand out

The part of the lock is a cap made of aluminum with a lacquered surface treatment in black design with a unique radius R8 for the WC mechanism marked WC

DORMAKABA DK - EXPERT plus US - System safety inserts - BT4 Door locks | Door accessories The maximum extension is 18EXPERT plus US is designed for locking systems. (US) Precise processing and high quality materials guarantee the long life and functionality of the cylindrical safety insert EXPERT plus US. system safety insert, with protection against drilling safety movable element in the key for protection against 3D copying safety class no. 4 22 pairs of hardened tumblers arranged in four rows 3 keys are part of the insert + security system card MP profile