Serrated wrench systems
EVVA EPSxp – Patent protection until 2041
Advantages:
Familiar key shape: The classic serrated key is widely used and easy to handle.
Modular design: Flexibility in adapting the locking system, e.g., by expanding or converting to a rotary knob.
Manufactured in Austria: High manufacturing quality by an Austrian company.
Disadvantages
Less innovative functions: Compared to reversible key systems, some modern functions such as springless systems or special security features are missing.
Charges for keys: Charges apply for master keys, group keys, and additional keys. However, private keys (2-3 per cylinder/door, e.g., for apartments) are free of charge.
Dormakaba Gege Pextra Q – Patent protection until 2042
Advantages:
Familiar key shape: The serrated key is easy to use and offers basic security.
Formerly an Austrian company: Dormakaba, a Swiss corporation, has taken over the originally Austrian company, which further enhances the quality of the system.
Disadvantages:
Less innovative security features: Compared to other modern reversible key systems, this system offers fewer innovative protection mechanisms.
Charges for keys: Charges apply for master keys, group keys, and multiple keys. However, individual keys (2-3 per cylinder/door, e.g., for apartments) are free of charge.
