Triple double bit lock Atra Dierre Left art. SER6112 1SE

Triple double bit lock Atra Dierre Left art. SER6112 1SE

Heavy triple double-bitted security lock for armored doors to be applied or inserted, backset 60, bolt travel 38 mm.

Lock equipped with the new Lock Blocking System :

The result of Dierre constant research, Lock Blocking System represents the synthesis of technology, quality and safety. In fact, in the event of an attempted break-in, it intervenes and blocks the lock; once the tampering tool has been extracted, it frees the mechanism and allows its normal reopening. Lock Blocking System has passed the required severe anti-manipulation tests. Finally, it uses the Mia patent, which in the event of theft or loss of keys, allows the quick and simple replacement of the central block.

Technical features:

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