Fuhr 855 Type 8 Key Wind Latch & Deadbolt Multi Point Lock - 2 Roller & 2 Pin
Latch & Deadbolt. Centre Case - Latch & Deadbolt. Operation - C -Two full turns of the key to lock and then Two full turns of the key to unlock, an extra turn withdraws the latch. Locking Point - Roller - 2.