Maxtech Heavy Duty ORNAMENTAL Iron Gate Double Cylinder Mortise Lockset 2-1/2" Backset 1"X 7-1/8" Faceplate Polish Brass (Right Hand ) Double solid brass cylinders Schalge Keyway keyed alike with 2 keys. 2-1/2" Backset, Lock Face front: 1" W X 7-1/8"H. Spring loaded spindles with Strike and mounting screws included. Works and fits same as Marks 22AC. Through-bolted knob plate assemblies