Paint Stripping Disc Set 4-1/2” 12-Pack (6 Purple, 6 Black) for Angle Grinde… Included Components: Paint Stripping Discs 4-1/2″ × 12(6×Purple&6×Black). Grit Number: 46. Compatible Devices: Angle Grinder. Unit Count: 12.0 Count. UPC: Does not apply.