FB1 Mortice Lock FB1 Mortice Lock for use by London Fire Service. Operated only by FB1 mortice key. Key operated from both sides Case size height: 80mm Case size length: 105mm Case thickness: 15mm Backset: 51.5mm Supplied with flat striker and all fixing screws FB1 key not included, sold separately FB mortice locks are traditionally NOT supplied with keys which should be ordered separately.
