50mm - socatt fixing
Both of these product will do an excellent job of removing paint or rust from the metal surface.
QLVT Conditioning Disc: Will leave a fine finish satin finish and is the more aggressive of the two discs
QLSA Unitised Disc: Will leave the finiest finish and will have the most control of material removal.
note: none of these discs will dig into the surface and start removing too much metal.