ERA Genuine Gearbox Deadbolt Version. Era locks are also rebranded under the names Homesafe - Cego Surelock - Saracen - Spartan - Duraflex - Sapa - Westward.
The deadbolt width is 6mm as opposed to 5mm on the thin bolt version. Almost all ERA multipoint gearboxes can be interchanged with a deadbolt, hook bolt, or Vectis gearbox.
Latch reversal: Undo the screws in the latch to remove. Reverse and reinsert then replace screws.