ERA Classic Fortress BS3621 Deadlock Era 231, Era 331

Kitemarked to BS3621 :2007 . Recommended by Insurance companies and the police.
20mm bolt throw
High quality brass components
231/331 can be keyed alike with 232/332
Kitemarked British Standard 3621:2007
Supplied with 2 keys
Supplied c/w matching escutcheons.
Key operation from both sides of the door.
Dimensions:
A = 67 (231-13) or 79 (331-13)
B = 44 (231-13) or 56 (331-13)
C = 89
D = 134
E = 26
Available in Brass or Satin Chrome