We also manufacture master key systems, offering both identical and unique key numbers to accommodate different security needs. In addition, we produce versions made from SUS316 stainless steel for enhanced corrosion resistance—please contact us directly for details regarding production lots.

For optimal door sealing, we recommend using this product in combination with the rod roller unit (AC-25-RA/RB/RC), which helps ensure a firm and secure closure.

To maintain long-term performance and prevent any loosening over time, we also advise applying a “loosening prevention agent” to the screws when installing the stopper plate.