Bedroom/bathroom doors. Exterior knob locked by inside push-button. Unlocked by turning knob from interior or a narrow tool from exterior. Dual option latch includes 1/4" round corner and 1" circular drive-in latch, adjustable for 2-3/8" or 2-3/4" backsets. Strike: 1/4" round corner full-lip strike. Grade 2 construction. Limited lifetime warranty.