Armour Plate Glass Locks
Armoured Plate Glass Locks are also known as APG Locks. These are the traditional style mortice deadlock for glass doors, that are used less commonly now but still required for replacements and upgrades of existing APGs.
More more common place now however is the use of Euro Profile locks manufactured specially for Glass Doors. These Locks are for use in Armour Plate Toughened Glass Doors and windows.