Master Mechanic, 6 Piece, 2" Die Grinder Surface Prep Kit, Removes Paint, Rust & Corrosion From Metal, Plastic, Wood & Other Surfaces When Used With A Die Grinder Or Drill, Set Consists Of 1 Each: 36 Grit Sanding Disc, 50 Grit Sanding Disc, 80 Grit Sanding Disc, Coarse Grit Conditioning Disc & Very Fine Grit Conditioning Disc.