They are a commercial grade lockset. Lockset will come with two keys.
Specs can be found below. For fine residential doors door range standard 1 11/16" to 2 5/16". Comes standard with 2 3/8 backset. 2 3/4 available for an upcharge.Listing comes with a Gregorian knob design interior trim. Mechanism made from cold rolled steel.
Entry lock: unlocked by key from outside E51PD Plymouth Design. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Entry Door Lock Sets". The seller is "avsfan68" and is located in this country: US. This item can be shipped worldwide.