Interior trim available in lever or knob Single or Double cylinder functions Inactive dummy sets for double door application Solid brass cylinder with Schlage ?C? keyway Backset available in 64mm(2-1/2?) & 70mm(2-3/4?) Multi-functions available, Entrance, Classroom, Dormitory, Hotel, Office, Privacy, Passage, Storeroom A variety of finishes available, including PVD, US5, US10B, US15, US15A, US19, US26 UL Listed