Olympus Lock, N Series, Pin Tumbler, Deadbolt, Door Lock, Satin Brass, Keyed Different, Keying, Rekeyable, ANSI/BHMA, Grade 1, Zinc Die Cast, Cylinder Length, 15/16", Keyway, National D4291, National D4292, 4-pin, 5-pin, 2 Keys, 100DR, Stock Keying, KD/KA