Classroom Cylinder is a Euro profile cylinder with a one way thumbturn mechanism, disenabling the option of opening from the insidewhile eliminating any possibility of preventing entrance by holding the thumb-turn.



  • 360° rotation by operating key or thumb turn to open only.
  • Materials:: Body and plug: Brass.
    Pins: telescopic pin system made of stainless steel,
    allows the accurate master complex systems.
    Cylinder is protected by four anti-drilling pins.
  • Finishes available: Nickel satin (US15), Shiny brass (US3).
  • Cylinder platforms available: LOCXIS®, Dynamic plus, X3.