This British Standard Deadlock provides cost-effective security without compromising on durability, making it well-suited for external doors. It features a steel casing with an integral anti-drill plate, alongside a brass deadbolt reinforced by two hardened steel inserts. Supplied with two genuine plated steel keys, the lock offers 1,000 differs. Fully compliant with BS3621:2007, it meets insurance and police approval standards and holds a 30-minute fire resistance rating (EN12209) when installed with the appropriate intumescent strips, ensuring robust and certified protection.