Duration 3 Star Cylinder
The 3 Star Cylinder with Always Locked Protection System (ALPs) technology provides advanced defence against all known break-in methods, including thermal manipulation and twist attacks. It has successfully passed the Sold Secure Diamond 2024 security test, delivering the highest level of mechanical cylinder protection.
- Vented keyway design allows foreign elements to escape during an attack, preventing thermal manipulation.
- ALPs TwistTrap activates instantly if the cylinder is twisted, maintaining the Always Locked status.
- SnapStop technology engages if the cylinder is snapped, preventing access to and manipulation of the core.
- 16 hardened anti-drill steel points provide exceptional resistance to drilling attacks.
- Horizontal keyway offers visual deterrent.
- Sacrificial cut and anti-drill pins both sides of the cam on every cylinder = non handed lock, reducing inventory stock.
- Dual colour, every cylinder comes as standard with polished chrome body and polished brass core. Easy suiting with any handle colour combination, reducing inventory stock.
- Robust key construction using thicker-gauge material to resist bending and snapping.
- High precision dimple and snake cut keys.
- Enhanced key control with security-coded key numbers and 870,000 unique key combinations.
- Bespoke Key/Lock suiting available, allowing multiple doors to be operated with a single key.
- Police Preferred Specification.
- Approved and Secured by Design accredited.
- Protected by a £5,000 security guarantee*



















