SC1 SmartKey Cylinder Black Finish for Interior Double Cylinder Deadbolts 85171-001. Smartkey replacement cylinder for the INTERIOR cylinder of a Double Cylinder Deadbolt uses the Schlage SC1 keyway and fits Kwikset Double Cylinder deadbolts. Black finish with two cut keys. Swap out your customer's KW1 cylinder and match their other Schlage locks in a few seconds. KW85170-001. Fits 554/801/985/785/159/689/665.
