M1 lock adopts a new design concept of ‘Disc in Disc’ structure with 10 billion key code. Make lock’s own creative design with international patent . Zinc alloy , bright chrome, Multi internal security mechanism This lock system could apply to different locks. Has passed level C,the China’s highest security testing standard, from China Ministry of Public Security.
Speciality
1. Over 3.4 billion key code and unique key shape.
2. Multi internal security mechanism.
3. Creative design with smart disc & tumbler.