NW4 / NW5 Key differs: 20 000 000 Plating: Brass / Nickel Keys: Newsilver Profile: NWNW system, including 4 types ofencoding elements: - rollers in the key - main active row of pins - side row of pins - a wave channel in the key, combinedwith special levers Anti-bumping and anti-picking protection Complex anti-drilling protection Patented anti-breaking protection Patented design of the key against illegal duplicate attempts Ergonomic plastic keybow Application - Single differs, MasterkeySystems, Key-alike Systems Option: Hotel function Option: Panic function Option: Adjustable cam for half cylinder Number of pins: 15 - 5 passive, 10 active. MLSBDS & DIN RL GBDS & DIN CLASSICBDS & DIN