Higher security and strength are delivered by a 20mm bolt throw. Designed with hardened steel plates to resist drilling and 2 hardened steel plates in the deadbolt to resist hacksawing. Features a latch bolt, which can easily be reversed without the removal of the lock cover or screws to enable both left and right-handed operation. The keys have 1000 variations for added security. All steel levers have false notching to resist lock picking. Rebate set to enable use in French rebated doors available separately. Fire Rated to 30mins Lockable from Either Side Suitable for Timber Doors 1 Year Guarantee 20mm Bolt Throw False Notching to Resist Lockpicking Easily Reversible Latch Fire Rated to 30mins Lockable from Either Side Suitable for Timber Doors 1 Year Guarantee 20mm Bolt Throw False Notching to Resist Lockpicking Easily Reversible Latch