Sargent 28-30-11G38 LL 26D Classroom Security Intruder lever lock, US26D Satin Chrome

Deadlocking latch, Latchbolt by either lever unless outside lever is locked by key, Key in either lever locks or unlocks outside lever, When inside key locks the outside lever only the inside key can unlock the outside lever. The outside key only retracts the latchbolt until outside lever is unlocked by inside key, Inside lever always operable, Locking direction indicated on inside rose standard with this function. Available on rose designs E, L and O.