3 Lever
Although 3 Lever deadlocks offer more secure than 2 Lever deadlocks, their use should still be restricted to low-risk applications such as sheds and internal doors.
It is important to measure your existing lock before you purchase a replacement. Our mortice lock product guide explains how to measure mortice locks as well as some common terminology used when discussing mortice lock features. And if you still have a question about mortice locks, you can always get in touch.
