The E.4091/N is a part of Pawbol, a line of Polish made lock cylinders. It is a 5-pin, double standard cylinder that is designed to fit a variety of mortise locks in wooden doors. The cylinder has a knurled profile on the plug body, and is equipped with pick-resistant pins. It is suitable for both residential and commercial applications, with a general locking specification of 2 keys per lock. The E.4091/N is available in a variety of finishes and is backed by a limited 2-year warranty.