DT1 Key differs: 1 288 000 Plating: Brass / Nickel Keys: Newsilver Profile: DT Special anti-pulling protection Patented anti-drilling protection Special patented technical protection of mechanism through deblockingroll in the key Certification: SKG*** Application - Single differs, suitable for big and complex Master Key Systems Option: Anti-bumping protection Option: Hotel function Option: Panic function Number of pins: 6 NW4/NW5High security cylinder - DIN STANDARDBDS & DIN MLSBDS & DIN