This is a Dexter Entrance Door knob lockset #BYR 605 for a residential entrance door Mfg. by Schlage. It is new in the original box, .It has a tulip knob inside and out. The finish bright brass, and all parts are there. Fits doors 1 3/8" to 1 3/4" has an adjustable backset 2 3/8" or 2 3/4" , Keyable to schlage locks. If you need more than one I do have more stk#(400)A21
