Marks USA Releases New Indicator Locks

Marks’ Indicator Locks feature red and green visual indicators, making it easy to instantly confirm whether a door is locked or unlocked.
Published: April 26, 2025

Marks USA, a division of NAPCO Security Technologies, Inc., announces the release of its new SKA-Series Indicator Locks. These locks are said to offer a highly visible security status at a glance, ideal for schools, healthcare facilities, offices, and commercial buildings.

The new Marks Indicator Locks made their debut at ISC West and are now available through Marks’ locksmith and security dealer partners nationwide.

Marks’ Indicator Locks feature bold red and green visual indicators, making it easy for staff, occupants, and security personnel to instantly confirm whether a door is locked or unlocked. Teamed with Marks’ durable 5 Series Grade 1 Mortise Locksets, the indicators can be mounted independently or combined double-sided, and are available in Turnpiece (TP), Coin Key (CK), or Cylinder (CYL) models.

RELATED: Marks USA Introduces New Line of Deadbolts and Interconnected Locks

Built with ADA-friendly, code-compliant designs and backed by Marks’ Lifetime Warranty, these locks are ideal for classrooms, patient rooms, offices, lounges, and other high-use environments where security clarity matters most.

“At Marks USA, we’re committed to creating smart, durable solutions that help people feel safer and more secure,” said Bill Sporre, VP of Sales, Marks USA, Division of Napco. “Our new Indicator Locks are another example of how we combine reliability, code compliance, and real-world usability to meet the evolving needs of schools, healthcare facilities, and commercial properties, and those whose job it is to protect them.”

For more information on Marks USA’s complete line of durable security solutions, visit www.marksusa.com, contact your Marks Rep, or reach out to Ray Krispin at [email protected] or 516-675-2580.

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