Marks USA 21AC/26D-W Unilock Ornamental Iron, Double Cylinder with Escutcheon, Entry, 2-1/2", AR1, Satin Chrome

The Marks USA 21AC/3-W Unilock is an ornate yet robust mortise lockset designed for ornamental-iron doors requiring keyed entry on both sides. It accommodates double-cylinder operation and includes a full escutcheon-style trim for a refined architectural look. Finished in satin chrome, the lockset offers both elegance and performance.

With its Unilock design, it provides thru-bolted solid brass trim assemblies and spring-loaded captivated spindles, ensuring durability even under heavy use. The double-cylinder configuration gives fully keyed control from both exterior and interior sides — ideal for secure gate or storm-door applications.

This lockset is suited to doors with 2-½″ backsets and is reversible to fit right- or left-swing orientations. Its combination of ornamental style, solid brass construction and keyed functionality makes the 21AC/3-W well-suited for decorative ironwork, residential gates or entry portals that require both security and a high-end finish.