Schlage’s ND Series Grade 1 Cylindrical Indication Trim Delivers Privacy and Security with Visual Indicators

The trim wraps three sides of the lock for 180-degree visibility that can be seen from across the room.
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Dec. 2, 2025
Image renderings courtesy of Brandner
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Schlage’s ND Series Grade 1 Cylindrical Indication Trim provides a feeling of safety and awareness for users with the “Know It’s Locked” value. The trim is equipped with a large viewing window and wraps three sides of the lock to deliver 180-degree visibility that can be seen from across the room. With ANSI/BHMA Grade 1 durability, it ensures longevity in high-traffic environments like K-12 and higher education.

This product is also UL listed for three-hour fire door, and the tamper-resistant trim is designed to ensure lock functionality even if the message window is compromised. Choose from a variety of finishes and levers to create the right solution for your building’s security or privacy needs.

This product is a 2025 Product Innovation Award winner.

Judge’s Comment: “At first, I was unsure how an occupancy lockset could be innovated, but I get it now. The 180-degree viewing window will be ideal for classrooms.”