Yale 84 & 88 Rim Nightlatches 

The latchbolt is withdrawn by knob from inside and key outside. Bolt can be deadlocked or held back by slide button from inside.

Latchbolt is easily reversible on site if required (for outward opening doors). 

Mechanism : 5 Pin Cylinder. 
Cylinder Finish : Brass or Satin Chrome 
Case Finish : Dark Metallic Grey (DM),
Keys Supplied : 2  
Door Thickness : 32mm - 57mm.
Backset: (Distance from door edge to cylinder centre)
84 model:  40mm
88 model:  60mm

* Keying Options Explained

• Individually keyed (Standard) - locks have own keys (2 keys included per lock)
• Keyed Alike - All locks have same keys (2 keys included per lock)