Product DescriptionA flush mounted Tristate postal lock that provides secure controlled access for mail and package delivery in residential and commercial environments while maintaining a clean professional appearance. It features a solid metal faceplate that resists tampering and corrosion and the keyed mechanism offers dependable operation for daily use. The design fits an exact 5 7⁄8" height and 5 7⁄8" width opening for smooth installation into standard back box cutouts and allows the unit to sit evenly within the surface for a refined built in look. The internal structure supports reliable access control performance and protects contents from unauthorized removal. This postal lock is well suited for multi tenant buildings mailrooms gated entry systems and any low voltage installation requiring a durable flush access point.