Master Lock BCCON0610B Biscuit Combo - keyed Entry Knob Set with Keyed Alike Single Cylinder Nightwatch Deadbolt, with SilvaBond Antimicrobial Protected Finish, Oil Rubbed Bronze Exclusive SilvaBond antimicrobial protected finish Security sets provide deadbolt and keyed entry knob that work with the same key NightWatch deadbolts and security sets ? locks out unauthorized keys Dependable security, meets Ansi grade 3 standards Oil Rubbed Bronze Finish