China Door Stainless Steel Key Cylinder with finished brass or nickel strengthen by steel is suitable for all inside locks.
The product is offered with 3 keys with bulls in silver-nickel and accompanied by a qualified owner card. cylinders are ideal for all mortise locks.
They have excellent brass or nickel finish, silver-nickel plated keys and they are available i. The nine combination pons and the hardened steel pins, make Proton high resistant to drilling.
For the installation or the take out of the cylinder, the key is required (the cam stays 15° offline).
The five flat silver-nickel keys provide the possibility of developing millions of different combinations.
Proton cylinders come along with a Special Owner’s Card, for protection against unauthorized reproduction of keys.
Master Key System is not available, but a group of cylinders can work with the same
