The PR0 RANGE P5 30/40mm Euro Double Cylinder offers reliable security for both interior and exterior doors with its keyed to differ configuration, ensuring each lock operates with its own unique key. Constructed from brass with a nickel plate finish, this euro profile cylinder provides durability and corrosion resistance. The cylinder comes complete with 3 brass keys and is backed by a comprehensive 5 year mechanical guarantee, making it an excellent choice for contract and residential applications where individual key control is required.