Brakes do need overhauling, for pretty obvious reasons, but sometimes even for just cosmetic reasons; for those enthusiasts for whom perfection is the only alternative!
This component and perhaps some of those listed below will help achieve operational improvement as well a cosmetic perfection:
Renew worn out, damaged or just scruffy brake components for an all round improvement.
Add as many items to the same shopping cart as you wish, nice new shiny fasteners for example, and still only pay the same single fixed price shipping cost.