Em-D-Kay (Like Marks New Yorker 7NY10A/3) 5700AR Polished Brass US3 Right Hand Mortise Entry Entrance Lockset Through-Bolted Screw less Knobs (Not Surface Mounted). 2-3/4" Backset, Deadbolt: 1", Latch: Scissor Latch and Anti Friction Latch, Wide Front Face Plate: 1-1/4" x 8". Cylinder on outside and thumb turn on inside. Commercial Mortise Locksets. Apartment function with Bolt, Latch & Rocker.