Restricted key profiles
Enhanced security with Prestige Lock Service’s restricted key profiles
Prestige Lock Service provides exclusive restricted key profiles, safeguarding your property from unauthorised duplication. These profiles offer effective key management and identification, along with advanced master keying capabilities and anti-manipulation features. Additional key cutting requires signature and photo ID verification.

ALC Series Six
Our Series Six entry-level system caters perfectly to small to medium-sized structures, such as small businesses and shopping centres.
EVVA 4KS
Our maximum security profile is versatile for any location, with specialised focus on government organisations and challenging environments.
EVVA EPS
Medium to high-level security profile, perfect for extensive commercial sites, structures, and government installations.
ALC Series Six
Introducing Series Six: the solution for medium security master key systems
Series Six represents our line of 6-pin in-line barrels and keys, tailored for individuals in search of a solution for their medium security master key system needs.
Features
- Design registered until 2028 (AUS)
- 2 profile family with master key profile
- Sturdy 3mm nickel silver key
- Compatible with various locks
- Australian-made and designed
- Ergonomic key head in 23 colors
- 3-panel design offers numerous color combinations
- Key provides ample space for identification
- Over 30 cylinder and plug types for retrofitting
- Economical choice for restricted master key systems
- Replacement keys available only through authorised Series Six agents

Colour key system
Customise your security: Series Six three-panel key heads in 23 vibrant colours
Series Six offers three panel key heads which can be mixed and matched, with 23 colours to choose from: Beige, Black, Blue, Light Blue, Reflex Blue, Coffee, Gold, Green, Fluoro Green, Heritage Green, Lilac, Lime, Maroon, Orange, Pink, Fluoro Pink, Purple, Red, Silver, Weave, White, Yellow and Fluoro Yellow.
EVVA 4KS
Billions of combinations: maximum security
When organisations seek unparalleled intrusion resistance and flexibility in a master key system, their choice is the EVVA 4KS. With a patent extending to 2037 and its innovative springless design, 4KS stands out as exceptionally distinctive.
Features
- Patent protected until 2037 and restricted master key system
- 133 billion possible key combinations
- Implement a complex security hierarchy
- Extensive cylinder range
- Suitable for the largest and most complex systems
- Virtually unbreakable key
- Springless technology
- Suitable for the harshest environments
- Australian standard tested; Sc8 AS4145.2 compliant


EVVA EPS
The trusted master key system for high security
The EVVA EPS offers a restricted master key system that integrates top-tier security with premium quality and value. This system is versatile, suitable for installations ranging from individual doors to expansive and intricate master key systems.
Features
- Patent protected to 2041
- As many as 53 million possible key combinations
- Extensive cylinder range
- Suitable for the harshest environments
- Australian standard tested; Sc8 AS4145.2 compliant