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Heavy Duty Classroom Intruder Lock
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The toughest cylindrical lock for heavy-duty commercial and educational applications. The Schlage ND75 Classroom Security Lock is an extra heavy duty double cylindrical lever lock. By turning the key in either the inside or outside lever, you can lock or unlock the outside lever. The inside lever is always active for immediate egress.
The classroom intruder function allows someone to lock a door from the inside - without having to open the door - and remain out of harm's way.
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Small format IC core is a "Best" type small format
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