The Union 1139 Rim Deadlock offers secure and convenient locking for solid doors and gates without requiring a morticed aperture. Available in 4-inch and 6-inch cases, it features a 3-lever mechanism with a 15mm bolt throw and backsets of 51mm or 76mm. Operable from both sides, this lock is finished in durable black with brass fittings and includes two extended keys plus a staple. Designed for surface mounting, it is especially suited to Victorian-style properties and internal doors where traditional aesthetics and reliable security are desired.