Sentinel Doors and lock manufacturer Roto have collaborated on a special hook locking system that is designed for use with Sentinel's range of composite doors. It comprises two hooks, a latch and a deadbolt. It is life-tested to 200,000 operations and is coated to offer protection against corrosion. Approved by the policesponsored initiative Secured by Design, the locking system is also approved by the Master Locksmiths Association and listed in its document Guidelines for Minimum Security .
lENQUIRY NO. 1127