Schlage E Series entry function handleset. The lock is fully restored and these locks are no longer available from Schlage. A direct replacement of these units is $1500.00. The door must have an oval cut in order for these units to work properly. They are a commercial grade lockset. Lockset will come with one key SC1 Schlage C keyway.  Lockset does come with brand new 2 3/8" deadlatch.

Specs can be found below:

For fine residential doors door range standard comes with 2 3/8 backset. 2 3/4 available for an upcharge.

Listing comes with a Plymouth knob design and  interior trim. 605 Bright Brass finish.

Mechanism made from cold rolled steel

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Entry lock: unlocked by key from outside E51PD Plymouth Design