Standard Schleifmittel Oberflächenkonditionierung Schnellwechselscheiben grob braun 75 mm Durchmesser
75mm Standard Abrasives Surface Conditioning Quick Change Discs. Grade: Coarse Brown. What is all this black stuff?. You'll always get this residue. The surface is cloudy and swirled. It'll remove the polishing 'haze'.