Schlage Byron Bright Brass Entry Knob 1-3/4 in.

The Dexter by Schlage Byron Knob Keyed Entry Lock in Bright Brass locks and unlocks with a key from the outside or with an interior turn button. The Byron knob offers a look of streamlined simplicity that blends seamlessly across styles and looks especially classic when finished in Bright Brass. Plus, it's been designed and tested with strength and durability in mind.