most of the time, any racers will have a setup boar. it just acts as a flat surface to work on thats all. doesnt have to be a hudy borad, just as long as it's flat and water proof/oil proof and doesnt have sharp corners
those shiny purple stuff must be setup tools that people use to do adjustments to their cars.
some of the basic tool that i have are (i have a hudy set):
ride hide gauge
some others have more than that but it pretty much what you need for your car settings.