The green, coarse Abraso-Gum Acryl tool removes grinding marks of the Diatit bur in a short time. The grey, medium-coarse Abraso-Gum Acryl removes the grinding marks of the coarse, green Abraso-Gum Acryl and prepolishes the surface by providing it with a mat lustre.The red, fine Abraso-Gum Acryl produces a mirror-like high lustre without any scratches in an extremely short time. Assortment, 5 pieces: Diatit bur D263 KG 60,Diatit bur D200 KF 23, Abraso-Gum Acryl coarse green, Abraso-Gum Acryl medium grey, Abraso-Gum Acryl fine red