Y&Y DOCKLANDS LOCKSMITHS -         LOCKSMITH & SECURITY SPECIALISTS
 
Master Keyed Systems
 
Effective key control requires that registered keys are only available from specific, authorised security centres. Under current legislation the only types of key that can be protected in this way are those covered by an up-to-date international patent which if necessary will be defended in court by the manufacturer.
Key systems protected by patent include:
 
ASSA Twin Combi 5800
ASSA 4800
ASSA Flexcore
Winkhaus VS6
 
Features
  • High security.
  • Resistant to all currently known methods of picking.
  • Case-hardened drill-resistant inserts.
  • Patented keys and cylinder mechanism.
  • Unique sidecode function.
  • Heavy duty 2.8mm thick keys made
  • Multi overlapping - key profiles.
     from hard-wearing nickel silver.
  • 250,000 usable differs available per key profile.
  • Available at key control steps 2 and 3.
 
 
 
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Key System illustration
Key System illustration
master keyed systems
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Assa Master Keyed System
Assa Master Keyed System
locksmith
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Winkhaus Master Keyed System
Winkhaus Master Keyed System
cylinders
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