LK2 & LK4 High Security Anti-bump Key SystemsLK2-system-01

+ Patented Anti-Bump feature
+ Design registered keyway
+ Patented components registered until 2024

Introducing LK2 & LK4, Carbine’s new, effective, anti-bump restricted key systems.
Lock bumping has become more of an issue in keeping valuable assets secure.
LK2 & LK4 has the optional feature of a patented anti-bump system.
These features will enable effective management of the security of your premises and peace of mind.
The LK2 & LK4 system offers high levels of security, flexibility and quality in one complete package.


• Unique patented Anti-Bump system
The LK2 & LK4 system has a fully optional Anti-Bump pin design that can be easily added by your locksmith.

• Highly pick resistant key broach
The LK2 & LK4’s complex design makes it much more secure and resilient against lock picking attacks.

• Design Registered Keyway
We restrict the keyblanks to authorised dealers, who are legally prohibited from unauthorised duplication. The key design is protected by Australian and New Zealand law.


• Coloured plastic key inserts available
Coloured key inserts are available as a great visual aid to allow you to easily manage your keys and security options.

• Complete range of cylinders
From mortice locks & leversets to deadlatches, the LK2 & LK4 range includes cylinder housings to suit all major commercial & residential lock types.


• Manufactured to high precision standards
All LK2 & LK4 components have been designed by Australian industry experts to the highest standards. The LK2 & LK4 range is manufactured by lock manufacturing professionals with many years of experience.