Door chain SK99


Double security: With this door chain for house and flat doors with a narrow frame profile, you get a security solution that protects you twice. The security ring is supported by a precision lock that is operated from the inside.

All variants for SK99
Door chain with lock and security ring for house and flat doors.
Sometimes it just has to be a little more. This also applies to the security of your house and flat doors with narrow frame profiles. This door chain gives you double protection against uninvited guests. The door chain is made of hardened steel, inside the mechanism there is a childproof safety catch. Mounting is done without drilling. The security ring is placed over the door handle after assembly, and a high-quality, rotating precision locking mechanism, which can only be opened from the inside, provides additional security.
  • Made in Germany
Application example - SK99


  • Hardened chain
  • Child-proof safety catch: only a key will operate the lock
  • No need to drill panel or even frame
  • High quality, rotating precision pin tumbler cylinder
  • Integrated chain support
  • Visible chain length: 26.5 cm

Operation and use

  • For main entrance doors and apartment doors
  • Also for doors with glass panels, narrow aluminium or PVC frames
  • Internal and external locking
  • The securing ring is hung over the door handle


  • Finish: silver lacquered


We have summarised for you which disposal information is important in your country.

Disposal & labelling of packaging
colour: silver
Weight: 515 g
Design: Technical drawing
Technical drawing
lockable door chain guard: Yes
Security Level Home Security: 5
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