This polycarbide strip disc is made from purple silicon carbide, which is stronger and more rigid than other abrasive materials making it better suited for tougher jobs and faster stock removal. Ideal for general cleaning applications, rust and paint removal, and surface preparation whilst reducing damage to the workpiece. Compatible with 115mm angle grinders including Stock No. 56488. 1 x Purple Polycarbide Strip Disc, 115mm, 22.23mm, 180 Grit Diameter: 115mm, Bore: 22.23mm, Grit: 180G, Material: Purple Silicon Carbide , Speed: 60m/s, Max. rpm: 9970rpm