At Keys Keys we have a wide range of 5 lever mortice deadlocks to choose from. The 5 levers relates to the number of levers inside the lock case. The more levers the higher the security. The locks are insurance rated and kitemarked to BS3621: 2007 and approved by the police secure by design initiative. If there is a particular lock you are interested in but it isn't displayed on our website please do not hesitate to contact one of our staff members and we will help you with any technical issues or source the lock you require.