Polishing disc PFERD TR15010-20

ST - sisal fiber, coarse, for primary polishing. Used with PP1, PP2, PP3 primary polishing pastes.TH - strong fiber for primary polishing. Used with PP1, PP2, PP3 primary polishing pastes.TW - soft fiber for final polishing. Used with PP4 and PP5 final polishing pastes.FL - flannel for final polishing...