Babcock Davis 1204 1-1/8” mortise cylinder lock to be used in conjuction with mortise cylinder preparation for access panels. Keyed alike keys included. The Babcock-Davis 1204 1-1/8" Mortise Keyed Cylinder Lock can be Used with Most Access Doors. Designed to be used with Mortise Lock Prep (M) for a 1-1/8" cylinder lock. Babcock Davis Catalog ...