Indicator Locks
New Deadbolt Indicator Locks
With New Marks Indicator Locks,
You'll Know It's Safe
SKA500 Series
Marks High-Visibility Indicator Lock Series Instant Lock Status at a Glance – Safety & Security Made Simple
- Red Means Locked, Green Means Unlocked – Highly visible indicators provide clear door status, ensuring confidence and peace of mind for occupants.
- Easy Installation with Marks 5 Series Grade 1 Mortise Locksets – Mounted independently or combined to be double-sided. Available in Turnpiece-TP, Coin Key -CK or Cylinder -CYL models
- Intuitive & Hassle-Free Operation – No guesswork—occupants and staff instantly know if the door is secured.
- Enhanced Safety for Schools, Healthcare, & Businesses – Quickly assess room security in critical moments, improving emergency response and daily operations.
- Code-Compliant & ADA-Friendly – Designed for ease of use, meeting security & accessibility requirements across various applications.
- Trusted Durability from a Locking Industry Leader – Backed by Marks' decades-long reputation for quality, reliability, & performance & Lifetime Warranty
- Ideal for High-Use Areas – Perfect for classrooms, patient rooms, lounges, offices, and more, ensuring clarity and security in busy environments.
Visible Indicators
Now Available at the
Marks Distributor Near You
- BUY AMERICAN
- Marks USA has made compliance with the Buy American Act (BAA) and American Recovery & Reinvestment Act (ARRA) easy. Marks USA is an American manufacturer of quality door hardware products with manufacturing facilities in Amityville, NY. Marks USA is an American brand trusted throughout the door hardware industry.
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