Passage knob. Adjustable steel latch fits 2-3/8" and 2-3/4" backsets. Round corner strike and latch. For all interior doors where a simple latch is all that is required. Plain knob on both sides. Turning either knob will retract latch bolt at all times to open door. ANSI/BHMA Grade 3 security. Lifetime mechanical/5 year finish warranty.