Schlage B80 626 12 287 10 116 134 N SL One Sided Deadbolt, Satin Chrome,2.5 in

Thumb turn on interior, not visible from exterior Locks and unlocks by turning interior thumb turn only Pair with a Schlage B60 deadbolt for additional security Biggest bolt diameter for maximum kick-in resistance, Weight: 1.5 pounds, Manufacturer: Schlage Lock Company