Billions of combinations.
Maximum security.


Australian Standards Approved to Sc8 AS4145.2 Table3.3. SCEC Approved

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The ultimate in masterkey security

When organisations require
maximum intrusion-resistance 
and flexibility, they choose EVVA.

EVVA’s patent protected,
SCEC approved security makes
keys difficult to duplicate without
authorisation, and locks nearly
impossible to pick or bypass.

That’s why EVVA is the masterkey
system of choice for industries 
and organisations that demand
superior security.

EVVA is only available through
qualified EVVA locksmiths.

  • Patented until 2025
  • SCEC approved for government facilities
  • Australian standard rates to
    Sc8 AS4145.2 Table 3.3
  • Long-life springless system
  • Case-hardened carbide components
  • Virtually unlimited possible
    key combinations
  • Manage large and complex systems
  • 3 level key copying protection
  • Cylinders to suit most locks