ND-Series Cylindrical Lock. Schlage’s number one lock for good reason.When it comes to commercial security, you expect Schlage to be a leader. At Schlage we are continuously testing, inventing, and improving products for the future. Since its introduction, the ND-Series lock has benefited from many product improvements. It’s easy to see why the ND-Series cylindrical lock is our number one lock.
– Uncompromising Security and Safety
– Outstanding Strength and Durability
– Simple Yet Smart Design
– Impressive Flexibility