It is thought that finger-plates were not used originally but they have often been added at a later date and are commonly made from brass, glass or ebony.
Brass fittings have a high content of zinc. Fittings of aluminium or plastic are inappropriate and should be replaced if possible.
Brass work that has been painted or electroplated can be restored.
New finger-plates should be as discreet as possible.
Finger Plate and Brass kicker plates fixed to the base rail of doors are an inappropriate modern addition and should be avoided.