Hall/closet passage knobset. For interior doors where a simple latch is all that is required. Plain knob on both sides. Turning either knob will retract bolt at all times to open door. Dual option latch includes 1/4" round corner and 1" circular drive-in latch, adjustable backsets. Strike: 1/4" round corner full-lip strike. Lifetime mechanical warranty. 10 year finish warranty.