An innovative, slimline flush bolt that seamlessly integrates with our most popular drop seal - LAS8001 si. The flush bolt is a security device to be used on pairs of doors to secure the inactive leaf. It is activated by a discreet Lorient branded lever, that drops the bolt into a sleek keep in the floor. Specifically designed for use with our rebated high performance drop seal; together they provide the ultimate system combining security, with acoustic, smoke and energy containment at the bottom of the door. The drop seal end plate is not required and no extra adapter kits are needed.