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Assa DP Cylinders with Keys

 The ASSA dp4400 cylinder offers extremely high security and full resistance to any currently known method of picking. It includes case-hardened drill-resistant inserts, false gate positions for increased anti-picking protection, a unique patented sidebar mechanism with force-controlled sidecode function, and patented keys. Billions of usable differs are available worldwide. ASSA dp4400 keys are fully protected by new international patents against unauthorised duplication. Every key combination is unique; we undertake not to repeat one anywhere in the world.

BS EN 1303 : 2005  SG 6

Products
4401 Scandinavian Oval External Cylinder
4401 Scandinavian Oval External Cylinder