The ASEC Non-Deadlocking Nightlatch includes two keys and is available with 40mm and 60mm backsets. This lever-action nightlatch features an internal holdback snib and is suitable for doors up to 57mm thick, or 54mm when used with a cylinder pull. Finished in Polished Brass or Satin Chrome, it offers compatibility with supplied cylinders or separate lockcases, making it adaptable for various security needs. Keys are uniquely cut; workshop services are available upon request.