Chubb 4L71 Auto Deadlocking Nightlatch

Mechanism : 6 pin Cylinder, Cylinder Finish : Brass, Case Finish : Brasslux or Champagne, Keys Supplied : 3, Keyed alike or master keyed available. Differs 2000 Door thickness 38 mm to 57 mm Operation : Latchbolt is withdrawn by handle from the inside and key outside. Handle can be deadlocked by key from the outside. Bolt can be held back by snib button. Features : Automatically deadlocked when door is in the closed position. supplied c/w 6 pin anti torque cylinder