Frontier, 9200, Wrap Around Plate designed specifically For Marks And Imports 91A, Also for 114A, 116A and including the Marks Grade 2 9 Series (which uses 2-1/2" Backset) with a little modification (2 holes for thru bolted knobs have to be drilled on the plate) And Other Mortise Lock Doors, Any Mortise Lock With The Size: 1-1/16" x 7-5/8" And 2-1/2" Backset Will Work With This Repair Plate, For 1-3/4" Doors, Paintable Primer Finish, Repairs Damaged Doors. Click Here For Replacement, Model# 9200G