... innovative, highly effective grinding fleece for metal,inox,etc. Polishing flap disc delivers outstanding results through an innovative, highly effective grinding ... ferrous metals.Depending on the texture of the fleece, polishing flap discs are perfectly suitable for*Descaling and derusting work-pieces ... Type: Blue Fine Polishing, Red Medium Polishing, Brown Coarse PolishingPolishing Flap Size: 24x18mm