seclocks@bigpond.net.au     Security Locksmiths specialise in the design and manufacture of Restricted Master Key Systems. BiLock High Security Series 6 Inline We also Install all types of Electronic Locking Devices such as: Magnetic Locks Electric Strikes Electric Mortice Locks Shear Locks Drop Bolts Motorised Prison Locks We manufacture mounting hardware and accessories for Electric Locks Surface Mounted Strike Brackets Scar plates for many Applications Magnetic Lock mounting Brackets