High Security MUL-T-Lock Interactive+ Cylinder Lock with 3 Keys & Keycode Card (27/31) - Ideal for Home, Office & Commercial Door Protection

About this item Mul-T-Lock lock s high security cylinders have a special telescopic pin tumbler mechanism with internal and external pins. Both the internal and the external shear lines must be aligned simultaneously in order for the plug to rotate. The patented Mul-T-Lock lock plug has a special structure. When the top and bottom pins, plug and body meet, a three dimensional shear line is formed, creating an almost perfect spherical shape. Steel inserts enhance Anti – drilling resistance. These features provide an added security, amplifying the Mul-T-Lock lock cylinder's pick and drill resistance for high security needs. When Master Keyed, additional side pins or oven pins can be incorporated. The Interactive system combines the special telescopic pin tumbler mechanism and special features of the classic system with a spring loaded pin badge in the cylinder plug produce a' virtual combination 'only when the key is inserted in the lock. The interactive patented key and key blank provide increased control over key cutting to achieve an even higher level of key security. Additional Keys are cut after presentation of a Mul-T-Lock lock key card and verification of customer identity in accordance with Mul-T-Lock lock key cutting procedures, which may be obtained through professional Mul-T-Lock lock locksmiths. Interactive technology is retro allowing existing locks to be compatible with the Mul-T-Lock lock Classic system upgrade › See more product details