Master Lock Night Watch Polished Brass Single Sided Deadbolt in the Deadbolts department at Lowes.com
Premier Lock Keyed Alike Entry Door Stainless Steel Exterior Single-cylinder deadbolt Keyed Entry Door Knob Combo Pack (2-Pack) in the Door Knobs department at Lowes.com
Master Lock DSNRN0603PBOX Nightwatch Deadbolt with Bump Stop Cylinder, Bright Brass - Door Dead Bolts - Amazon.com