The Marks USA Series 3 Mortise Armored Deadlock Body is built for dependable door security, featuring a solid brass construction with a durable satin chrome finish. Designed with a 2-3/4-inch backset and a 1-inch bolt throw, it delivers reliable locking performance for commercial and architectural applications.

• Series 3 mortise armored deadlock body with solid brass components.

• 2-3/4-inch backset for standard mortise door preparations.

• 1-inch bolt throw provides strong and secure locking engagement.

• Stamped steel case with satin chrome (US26D) finish for durability.

• Includes matching lock body and strike (#4035) for complete installation.

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