The cam push in lock has been invented more than 10 years ago. Although many other companies have been constantly trying to imitate and modify, they all fail to compete with us for we value this product very much and have been improving the manufacture methods. Up till now, our cam push in cylinder is capable of reducing to 11mm and the 7 pin number variation remains the same as normal large lock cylinders. Thus the safety is not compromised for size reduction. Features: This product uses a complete lock to connect with a cable. The installation of a lock cylinder is unique to make it more difficult to be broken or pushed away with tools comparing to traditional cam push in lock. Applicable scope: Various lock, cable lock