The Birmingham Bar is a multi-purpose flat steel frame reinforcer bar that is usually screw fixed to the hinge side of the internal face of the door
Additionally this bar is frequently fitted to the outside of the frame to resist chisel and general frame attack to the outside
Kickstop products are designed specifically to reinforce and strengthen the door and frame around the existing locks and hinges
They don't require locking or bolting - once fitted, they automatically provide additional physical security and peace of mind every time the door is closed and locked. Because of this, they are recommended by the Metropolitan Police when advising on improved security