Deadbolt, Mortise, Commercial, Lockset Grade Not Graded, Series N, Lockset Finish Satin Chrome, Keyway Type AR4, Key Type Different, Standards ANSI A156.5, No, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder 6 Pin, For Door Thickness 1 3/4 in, For Use With Wood or Metal Doors, Includes (2) Keys, Strike Plate, Material Chrome, Number of Keys 2, Pins 6, Security Type Heavy-Duty, Strike Square Corner, Strike Dim. 1-1/8 in x 3-1/2 in, Throw Length 1 in