My home security door is the nineties of the product, the key is a cylindrical iron bar, no key teeth of the kind, is said to rely on magnetic force to open the door. Daughter and wife's keys have been lost, and now only a key Fan Fan Dayton locusts Hao Hao rudder penalty fine, and this key in general with the key place that can not match. Who knows how this key is? More
Can be equipped with manufacturers, you can also change the cylinder, are also possible.
You are still for the lock it, also five or six Fan Dayton locusts Hao Hao rudder penalty fine ten yuan, it is old-fashioned automatic lock, the key is a code, the code can be returned to the factory can not match, Lock it
You are talking about the magnetic automatic lock, which is now a good match, only for the lock cylinder
