ERA 261 & 361 Fortress BS 5 Lever Deadlock
- There are 4 hardened steel rollers in the bolt.
- BS3621:2007 standard meets the exacting demands of insurance companies and the Police
- Deadlocks have hardened steel plates to resist drilling, and two hardened steel plates in the deadbolt resist hack sawing
- Laminated hardened steel plates in the bolt.