Mul-T-Lock Interactive Plus + super Cylinder door lock 110MM High quality - High security in the factory package 55mm+55mm key to knob.Euro profile 100mm cam cylinder lock as in picture Card code for keys duplicate 5keys 1Screw High Security Platform Multiple Locking Elements Including the Patented Interactive Disc Pick, Drill and Bump Resistant +Key Order Cards for Enhanced Key Control Mul-T-Lock's Interactive+ mechanical platform addresses High Security concerns while responding to functional needs. Building on four decades of extensive experience and the Interactive® key platform's proven technology and global success, Interactive+ utilizes patent technology for enhanced High Security.