Master Lock Classroom Function Knob Set


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Master Lock Classroom Function Knob Set has a brushed chrome finish with BumpStop® technology - Bump resistant cylinder. Cylindrical construction for enhanced durability.

For Classroom application – Either knob operates deadlocking latch bolt unless outside knob is locked by key. Inside knob is always active. Key unlocks outside knob. 

  • 2-3/4" fixed backset latch.
  • 3 hr UL listing.
  • Meets ANSI/BHMA A156.2, Grade 2 Standards.


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