ADDITIONAL SECURITY Additional Security Fire Safety (19) Door Reinforcement (7) Personal Security (2) Mortice Door - Rack Bolts (11) Security Chains (3) Burglary Deterrents (1) Domestic Alarms (4) Bolts (17) Door Viewers (14) Door Chains (29) Multi-purpose & Hinge Bolts (7) London & Birmingham Bars (11)