The ultimate convenience solution for masterkey systems with the possibility of up to 63,000 different cylinders on a single system, this range is ideal for both small and large business premises. In addition, the reversible flat key with code card makes unauthorised duplication difficult. The 10 Pin key bitting system produces over 1.6 million key differs whilst the hardened steel pins and drivers protect from drilling. A special driver profile provides "pick protection". The cylinder is supplied standard with two keys.