Deadlatch, RH or LHR, 1-1/8, 2-2/3 in. L

you Yale real living deadbolt extending latch from two and three eighths to two and three-quarter inches to lengthen the latch press the small black button on underside of the bolt and observe the black spring and pin lift on the opposite side while the button is depressed pull to extend to the two and three-quarter inch back set position and release the black button test the latch to be sure the latch engages properly by inserting a flathead screwdriver into the latch and turning the deadbolt