Kaba 1011-26D-41 Cylindrical Pushbutton Knob Nko Us26D, Satin Chrome Single access code - one easy to manage code for all users Lock is easily programmed via keypad without removing lock from the door Factory-handed for left hand doors; easily field reversible Small format interchangeable cores, large format removable cores Cylindrical latch with 3-hour ul/ulc fire rating on "a" labeled doors