Reversible key type

This section includes the main features of cylinders with flat, reversible key type.. Reversible keys can be inserted into cylinder either way up, for greater ease of use. 

RS3 S The most advanced security and master keying potential - only at CISA

AP3 S High security, excellent master keying potential capacity and a local highly professional service (CISA Solution Partner)

Astral S Security and excellent master keying potential capacity 

Astral Average security and excellent master keying potential capacity

Asix For basic security