A Legge 5761 5 lever Deadlock 3.0”/76mm. Certified to thief resistant British Standard 3621:1980 and manufactured in 1997. Please note this is not the current British Standard. Condition - New, old stock, hence the box is tatty.

Steel case with integrated hardened steel anti-drill plate on cap and case
2 hardened steel rollers in brass deadlock
5 close gated brass levers with built-in anti-pick device
Strong, steel box striking plate
Easy fit replacement for most mortice locks of the same overall width
Keyhole aperture protected with internal curtain
3 steel plated keys
Fitting instructions