Kwikset Signature Series security set, model #991TNL 15 SMT CP, in satin nickel (finish code 15) finish. Features SmartKey Security technology, allowing you to re-key the lock yourself in seconds without a locksmith. Fits door thickness of 1-3/8" to 1-3/4". Includes knob and deadbolt combination set with all standard installation hardware. No damage or missing parts.