ADDITIONAL SECURITY Additional Security Fire Safety (19) Door Reinforcement (12) Personal Security (2) Mortice Door - Rack Bolts (12) Security Chains (4) Burglary Deterrents (2) Domestic Alarms (3) Bolts (17) Door Viewers (14) Door Chains (28) Multi-purpose & Hinge Bolts (8) London & Birmingham Bars (13)