Kodia Megna Bolt (1C) OSK DT bullet rim lock with three bolts and Ultra Keys also available. Its type is listed as Bullet OSK (D/T), 4". The body has an antique brass-tone finish around a brushed steel cover plate with a round thumb turn, and three polished steel-tone bullet bolts throw from the side. Two screw holes sit on the face for mounting, and a separate key cylinder with keys goes with the lock.