Maxtech Apartment / Office Heavy Duty Mortise Entrance Lever Lockset Satin Chrome Finish Right Hand 1-1/8" 5 pin ease to rekey Schlage SC1 key way cylinder with 2 keys. Fits same as Marks Metro 91A mortise knob lockset. Edge faceplate 1" X 7-5/8" and 2-1/2" backset and 1" Deadbolt. Fits 1-3/4 metal or wood door ,Rocker Switch that Locks or unlocks exterior Lever. Exterior plate 2-3/4" X 10" , Interier plate 2-1/4" X 7".