The ERA Viscount 5-Lever Mortice Deadlock offers long service in demanding situations, is designed to resist hacksawing as well as lock picking and comes with a 10 year manufacturer's mechanical guarantee. It is ideal for replacing existing 2 and 3 lever locks, and is available in 64mm and 76mm, and brass and chrome finishes. This deadlock features levers designed with false notching to resist lock picking and hardened steel rollers in the bolt to resist hacksawing. It is supplied with two keys and is designed for use on timber doors. The Viscount is a high security deadlock with an anti-saw deadbolt and pick resistant mechanism.