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Briton 5510 cylinder deadlock
The Briton 5510 cylinder deadlock is suitable for use on doors without lever furniture that need to be locked. The deadbolt can be operated from one side or both, depending on the cylinder selected.
With a 10 year manufacturers guarantee, the deadlock is certified to EN 12209 and CE Marked, offering EN 1634 fire testing for 4 hour steel fire doors. The deadlock is also certified Approved CF741.