Smartkey replacement cylinder uses the Schlage SC1 keyway and fits some Kwikset Single Cylinder Deadbolts 158/553/660/687/780/800/980. Black finish with two cut keys. Swap out your customer's KW1 cylinder and match their other Schlage locks in a few seconds. Also fits Electronic Levers 917/955. KW8517407 85174 07. 85174 11P / 514 SmartKey SC1 Cylinder fits some single cylinder deadbolts - Black
