Felts and Cloths are products for parts final polishing and are normally used with soaps, pastes or other polishing fluids.
There are many wheel dimensions, with standard sizes (Ø x width x hole in mm) ranging from 70x10x3 to 300x100x35.
The indicated grits are the most common for the operations in question, but they do not exhaust all available alternatives. We will be happy to help you find the best solution for your case.